Heckler & Koch MP5

The Heckler & Koch MP5 (Template:Langx, Template:Lit) is a submachine gun developed in the 1960s by German firearms manufacturer Heckler & Koch. It uses a similar modular design to the Heckler & Koch G3, and has over 100 variants and clones,<ref>{{#invoke:citation/CS1|citation |CitationClass=web }}</ref> including selective fire, semi-automatic, suppressed, compact, and even marksman variants.<ref name="hogg2002">Hogg, Ian (2002). Jane's Guns Recognition Guide. Jane's Information Group. Template:ISBN.</ref> The MP5 is one of the most widely used submachine guns in the world, having been adopted by over forty nations and numerous militaries, police forces, intelligence agencies, security organizations, paramilitaries, and non-state actors.Template:Sfn<ref>Firepower: The Weapons the Professionals Use - and How. Weapons of the Terrorist War, #17 Orbis Publishing, 1990.</ref>

Attempts at replacing the MP5 by Heckler & Koch began in the 1980s, but despite functional prototype weapons having promising performance, a formal successor did not enter commercial production until 1999, when Heckler & Koch developed the UMP.Template:Sfn However, despite being more expensive the MP5 remained the more successful of the two designs, because of its preexisting widespread use, design familiarity, and lower recoil due to its roller-delayed action as opposed to the UMP's straight blowback action.<ref name=":0">Template:Cite magazine</ref>

History

Heckler & Koch, encouraged by the success of the G3 battle rifle in 1959, developed a family of small arms consisting of four types of firearms all based on a common G3 design layout and operating principle. The first type was chambered for 7.62×51mm NATO, the second for 7.62×39mm M43, the third for 5.56×45mm NATO, and the fourth for 9×19mm Parabellum. The MP5 was created for the fourth type as the HK54; under the HK naming system, this categorizes it as a selective fire carbine chambered in a handgun cartridge.Template:Sfn

Development began in 1964, and in 1966 the HK54 was adopted by the Bundesgrenzschutz and by Bundeswehr special forces, initially as the MP64, before being redesignated as the MP5.Template:Sfn The MP5A1 was introduced in the late 1960s and was the first model to feature the front ring sight and "Slimline" handguard. In 1970, the MP5 and MP5A1 were superseded by the MP5A2 and MP5A3, improvements to the MP5A1 with a fixed stock and retracting stock respectively. In 1974, the MP5SD, an integrally-suppressed variant, was introduced, and in 1976, the MP5K, a redesigned compact variant, was developed per a request for a variant that suited close-quarters combat in South America. In 1977, the original straight magazines were replaced by curved steel magazines. In 1978, the "Tropical" handguard was introduced for the MP5.

In 1980, the MP5 achieved an iconic status during the Iranian Embassy siege, when British Army Special Air Service operatives used MP5s with top-mounted flashlights to assault the embassy and rescue the hostages held inside. Photos of the operation featuring MP5s were widely disseminated in the press and popular media, and drove other military and police units to purchase MP5s as well, quickly making the MP5 widely recognizable and associated with elite counterterrorist units.<ref>Template:Cite news</ref> The MP5 has since become a mainstay in militaries, special forces, and police tactical units across the world, but has gradually been replaced since the late 1990s by rifles, carbines, and personal defense weapons due to changes in armament trends, including growing access to body armor that can stop handgun projectiles.<ref>Template:Cite news</ref>

The MP5 is manufactured under license in several nations including Greece (formerly Hellenic Arms Industry, currently Hellenic Defence Systems), Iran (Defense Industries Organization), Mexico (SEDENA), Pakistan (Pakistan Ordnance Factories), Saudi Arabia, Sudan (Military Industry Corporation), Turkey (MKEK), and the United Kingdom (formerly Royal Ordnance, later moved to Heckler & Koch Great Britain).<ref name="worldpolicy2000">{{#invoke:citation/CS1|citation |CitationClass=web }}</ref>

Design

File:HK MP5 Zeichen.JPG

HK MP5 markings on the firearm

The primary version of the MP5 family is the MP5A2, which is a selective fire delayed blowback-operated 9×19mm Parabellum weapon. It fires from a closed bolt (bolt forward) position.Template:Sfn

The fixed, free-floating, cold hammer-forged barrel has six right-hand grooves with a 1 in 250 mm (1:10 in) rifling twist rate and is pressed and pinned into the receiver.Template:Sfn

Features

File:Visierlinie.jpg

A view through the MP5's iron sights

The first MP5 models used a double-column straight box magazine, but since 1977, slightly curved steel magazines have been used with a 15-round capacity (weighing 0.12 kg) or a 30-round capacity (0.17 kg empty).Template:Sfn

The adjustable iron sights (closed type) consist of a rotating rear diopter drum and a front post installed in a hooded ring. The rear sight is mechanically adjustable for both windage and elevation with the use of a special tool, being adjusted at the factory for firing at Template:Convert with standard Template:Convert FMJ 9×19mm NATO ammunition. The rear sight drum provides four apertures of varying diameters used to adjust the diopter system, according to the user's preference and tactical situation.Template:Sfn Changing between apertures does not change the point of impact down range.

The MP5 has a hammer firing mechanism. The trigger group is housed inside an interchangeable polymer trigger module (with an integrated pistol grip) and equipped with a three-position fire mode selector that serves as the manual safety toggle. Per HK trigger group standards, most MP5 variants have the option of "SEF" or "Navy" trigger groups, with further alterations based on the availability and type of burst fire; the "SE" and "0-1" trigger groups are only available for semi-automatic and civilian variants. While the "SEF" trigger group's fire selector lever is located on the left-hand side of the trigger, the SEF symbols themselves appear on both sides of the trigger grouping; the "Navy" trigger group, among others, are ambidextrous. The safety/selector is rotated into the various firing settings or safety position by depressing the tail end of the lever. Tactile clicks (stops) are present at each position to provide a positive stop and prevent inadvertent rotation. The "safe" setting disables the trigger by blocking the hammer release with a solid section of the safety axle located inside the trigger housing.Template:Sfn

The non-reciprocating cocking handle is located above the handguard and protrudes from the cocking handle tube at approximately a 45° angle. This rigid control is attached to a tubular piece within the cocking lever housing called the cocking lever support, which in turn makes contact with the forward extension of the bolt group. It is not however connected to the bolt carrier and therefore cannot be used as a forward assist to fully seat the bolt group. The cocking handle is held in a forward position by a spring detent located in the front end of the cocking lever support which engages in the cocking lever housing. The lever is locked back by pulling it fully to the rear and rotating it slightly clockwise where it can be hooked into an indent in the cocking lever tube.Template:Sfn

Operating mechanism

File:US Patent 3283435 8-Nov-1966 BREECH CLOSURE Theodor Koch.png

The roller-delayed blowback mechanism, seen here in a 1966 U.S. patent, originated from the aborted StG 45(M) assault rifle prototypes developed in Nazi Germany at the end of World War II.

The bolt rigidly engages the barrel extension—a cylindrical component welded to the receiver into which the barrel is pinned. The delay mechanism is of the same design as that used in the G3 rifle. The two-part bolt consists of a bolt head with rollers and a bolt carrier. The heavier bolt carrier lies up against the bolt head when the weapon is ready to fire and inclined planes on the front locking piece lie between the rollers and force them out into recesses in the barrel extension.Template:Sfn

When fired, expanding propellant gases produced from the burning powder in the cartridge exert rearward pressure on the bolt head transferred through the base of the cartridge case as it is propelled out of the chamber. A portion of this force is transmitted through the rollers projecting from the bolt head, which are cammed inward against the inclined flanks of the locking recesses in the barrel extension and to the angled shoulders of the locking piece. The selected angles of the recesses and the incline on the locking piece produce a velocity ratio of about 4:1 between the bolt carrier and the bolt head. This results in a calculated delay, allowing the projectile to exit the barrel and gas pressure to drop to a safe level before the case is extracted from the chamber.Template:Sfn

The delay results from the amount of time it takes for enough recoil energy to be transferred through to the bolt carrier in a sufficient quantity for it to be driven to the rear against the force of inertia of the bolt carrier and the forward pressure exerted against the bolt by the recoil spring. As the rollers are forced inward they displace the locking piece and propel the bolt carrier to the rear. The bolt carrier's rearward velocity is four times that of the bolt head since the cartridge remains in the chamber for a short period of time during the initial recoil impulse. After the bolt carrier has travelled rearward 4 mm, the locking piece is withdrawn fully from the bolt head and the rollers are compressed into the bolt head. Only once the locking rollers are fully cammed into the bolt head can the entire bolt group continue its rearward movement in the receiver, breaking the seal in the chamber and continuing the feeding cycle.Template:Sfn

Since the 9×19mm Parabellum cartridge is relatively low powered, the bolt does not have an anti-bounce device like the G3, but instead the bolt carrier contains Template:Convert of tungsten granules that prevent the bolt group from bouncing back after impacting the barrel extension. The weapon has a fluted chamber that enhances extraction reliability by bleeding gases backwards into the shallow flutes running along the length of the chamber to prevent the cartridge case from expanding and sticking to the chamber walls (since the bolt is opened under relatively high barrel pressure). A spring extractor is installed inside the bolt head and holds the case securely until it strikes the ejector arm and is thrown out of the ejection port to the right of the receiver. The lever-type ejector is located inside the trigger housing (activated by the movement of the recoiling bolt).Template:Sfn

Accessories

Barrel accessories

Threading is provided at the muzzle to work with certain muzzle devices made by Heckler & Koch, including a slotted flash suppressor, a blank-firing adapter (marked with a red-painted band denoting use with blank ammunition only), a rifle grenade adapter (for use with rifle-style grenades with an inside diameter of 22 mm using a special grenade launching cartridge), and cup-type tear gas rifle grenade adapter. An optional "3-Lug" barrel is also available on some variants for mounting a quick-detachable suppressor.

MP5SD suppressor

File:Patent DE1553874 07-Oct-1971 Handfeuerwaffe mit Schalldaempfer Heckler und Koch.png

Cross-section diagram of an early MP5SD suppressor from 1971 patent, detailing its vented barrel surrounded by metal mesh packing in the expansion chambers, followed by conical baffles in the forward chambers

The MP5SD's Template:Convert barrel has 30 Template:Convert ports drilled forward of the chamber through which escaping gases are diverted to the surrounding sealed tubular casing that is screwed onto threading on the barrel's external surface just prior to the ported segment. The MP5SD's integral suppressor itself is divided into two stages: the initial segment surrounding the ported barrel serves as an expansion chamber for the propellant gases, reducing gas pressure to slow down the acceleration of the projectile. The second decompression stage occupies the remaining length of the suppressor tube and contains a stamped metal helix separator with several compartments which increase the gas volume and decrease its temperature, deflecting the gases as they exit the muzzle, so muffling the exit report. The bullet leaves the muzzle at subsonic velocity, so it does not generate a sonic shock wave in flight. As a result of reducing the barrel's length and venting propellant gases into the suppressor, the bullet's muzzle velocity was lowered anywhere from 16% to 26% (depending on the ammunition used) while maintaining the weapon's automation and reliability.Template:Sfn

Receiver

The receiver housing has a proprietary claw-rail mounting system that permits the attachment of a standard Heckler & Koch quick-detachable scope mount (also used with the G3, HK33, and G3SG/1). It can be used to mount daytime optical sights (telescopic 4×24), night sights, reflex sights, and laser sights. The mount features two spring-actuated bolts, positioned along the base of the mount, which exert pressure on the receiver to hold the mount in the same position at all times assuring zero retention. All versions of the quick-detachable scope mount provide a sighting tunnel through the mount so that the shooter can continue to use the fixed iron sights with the scope mount attached to the top of the receiver.

A Picatinny rail adapter can be placed on top that locks into the claw rails. This allows the mounting of STANAG scopes and has a lower profile than the claw-rail system.

Handguard

File:Mp5 4.JPG

An MP5A2 with an aftermarket "dedicated forend" tactical light-equipped handguard. Also note the fixed stock and jungle style magazines.

Standard MP5 variants have the option of two handguards: "Slimline", the original slim checkered metal handguard; and "Tropical", a wider and smoother polymer handguard introduced in 1978.

The MP5SD, MP5K, and SP89 have unique handguards owing to their design differences: the MP5SD handguard is similar to Slimline but larger to fit the integrated suppressor, the MP5K handguard has a built-in foregrip and handstop, and the SP89 handguard is similar to the MP5K's but extended and without the foregrip.

Aftermarket handguards also exist, including newer vented handguards based on the "Tropical" handguard, "dedicated forend" handguards featuring a built-in underbarrel tactical light, and rail integration system-equipped handguards to fit attachments.Template:Sfn

Variants

MP5

File:MP5.jpg

An MP5A3 with the "SEF" trigger group, a retractable stock, and the "Slimline" handguard

HK54

Original pre-designation model, introduced in 1964. It has a charcoal-gray phosphated finish rather than the matte-black lacquered finish used on later models. The handguard resembles the "Slimline" handguard but is narrower and has slots along it. Its bolt carrier is longer and heavier than that of the final MP5, and it uses a flip-up "ladder" rear sight similar to that used on early G3 models. It uses straight steel magazines with plastic followers and distinctive "waffle" rib imprints for reinforcement.Template:Sfn

MP5

The basic MP5, based on a modified and improved HK54, introduced in 1966. When first released, it had a gray phosphated finish, "Slimline" handguard, 8.9-inch barrel with "3-Lug" muzzle, and straight waffle magazines. Modernized improvements were introduced in the 1970s: proprietary "claw mount" rails for scope, laser, and flashlight attachments were introduced in 1973; un-ribbed curved magazines with chrome followers were introduced in 1977; the matte-black lacquered finish was introduced for export models also in 1977; and the polymer "Tropical" handguard was introduced in 1978.Template:Sfn

MP5A1

Standard MP5 with no stock and the "SEF" or "Navy" trigger group.Template:SfnTemplate:Sfn

MP5A2

Standard MP5 with a fixed stock and the "SEF" or "Navy" trigger group.Template:Sfn

MP5A3

Standard MP5 with a retractable stock and the "SEF" or "Navy" trigger group.Template:Sfn

MP5A4

Standard MP5 with a fixed stock, the "Navy 3-Round Burst" trigger group, and a straight pistol grip.Template:Sfn

MP5A5

Standard MP5 with a retractable stock, the "Navy 3-Round Burst" trigger group, and a straight pistol grip.Template:Sfn

MP5SF

Semi-automatic variant of the MP5 intended for the law enforcement and military markets, introduced in 1986 to meet a Federal Bureau of Investigation request for a "9mm semi-automatic carbine". Unlike the HK94, the semi-automatic MP5 variant for the civilian market, the MP5SF retains its standard 8.9-inch barrel. It has two variants: the MP5SFA2 with a fixed stock, and the MP5SFA3 with a retractable stock. It uses the "0-1" trigger group, but since 1991, it has been delivered with select-fire bolt carriers that make it capable of automatic fire if paired with an appropriate trigger group.Template:Sfn

MP5PT

Training variants of the MP5A4 and MP5A5. They are designed to use a plastic 9×19mm round developed by Dynamit Nobel.Template:Sfn

MP5N

Naval variant of the MP5, introduced in 1986 to meet a United States Navy request for a submachine gun effective aboard ships and in low-light conditions. It is essentially an MP5A3 with a retractable stock, "Navy 2-Round Burst" trigger group, tritium illuminated sights, and a custom "3-Lug" muzzle derivative for mounting a stainless steel suppressor produced by Knight's Armament Company (KAC).Template:Sfn

MP5F

Improved French variant of the MP5, introduced in 1999 to meet a French National Gendarmerie request for a suitable standard-issue submachine gun. It is essentially a modified and improved MP5A3, featuring a padded retractable stock, "Navy" trigger group, ambidextrous sling mounts, and internal improvements to handle high-pressure ammunition.Template:Sfn

MP5 Mid Life Improvement (MLI)

Modernized refresh of the MP5, introduced in 2015. It is based on the MP5A5 and features the MP5F's padded retractable stock, triple-rail "Slimline" handguard, "Navy 3-Round Burst" trigger group, quick-release sight mount or sight rail, and a RAL 8000 finish. Compatible components of the MP5 MLI can be switched out and retrofitted with other compatible MP5 variants.<ref>{{#invoke:citation/CS1|citation

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MP5SD

File:Heckler Koch MP5.jpg

An MP5SD3 with the "SEF" trigger group, a retractable stock, and the MP5SD suppressor and handguard

The MP5SD ("SD" meaning Schalldämpfer, German for "sound suppressor") is a variant of the MP5 with an integral suppressor, introduced in 1974.Template:Sfn The integral suppressor, built around its 5.7-inch barrel, uses a unique two-stage design that allows it to operate silently in most environments, including when wet, while still remaining reliable.Template:Sfn The distinctive size of the integral suppressor gives it a unique handguard design, with a modified charging handle to account for it. The MP5SD has a rate of fire of approximately 800 rounds per minute, and is intended for use with both standard and subsonic ammunition.<ref name=":02">{{#invoke:citation/CS1|citation |CitationClass=web }}</ref>

Standard MP5SD with no stock and the "SEF" or "Navy" trigger group.Template:Sfn

MP5SD2

Standard MP5SD with a fixed stock and the "SEF" or "Navy" trigger group.Template:Sfn

MP5SD3

Standard MP5SD with a retractable stock and the "SEF" or "Navy" trigger group.Template:Sfn

MP5SD4

Standard MP5SD with no stock and the "SEF" or "Navy" trigger group. It is largely similar to the MP5SD1.Template:Sfn

MP5SD5

Standard MP5SD with a fixed stock and the "Navy 3-Round Burst" trigger group.Template:Sfn

MP5SD6

Standard MP5SD with a retractable stock and the "Navy 3-Round Burst" trigger group.Template:Sfn

MP5SDN-1

Naval variant of the MP5SD, with a retractable stock, the "Navy 2-Round Burst" trigger group, and the MP5N's KAC stainless steel suppressor.Template:Sfn

MP5SDN-2

Naval variant of the MP5SD, with a fixed stock, the "Navy 2-Round Burst" trigger group, and the MP5N's KAC stainless steel suppressor.Template:Sfn

MP5K

File:Hkmp5k.jpg

An MP5K with the "Navy" trigger group, no stock, the MP5K foregrip handguard, and normal iron sights

The MP5K ("K" meaning Kurz, German for "short") is a redesigned compact variant of the MP5, introduced in 1976. Developed from the stockless MP5A1,Template:Sfn it features a 4.5-inch barrel incompatible with muzzle attachments, an endcap with sling mount instead of a stock, and a unique handguard with a built-in foregrip. Most components of the MP5K are shortened on account of its compact design, including its bolt, receiver, charging handle, cover, and trigger group frame; the lighter bolt gives it a higher rate of fire, at approximately 900 rounds per minute (as opposed to 800 rounds per minute with the regular MP5). Different variants of the MP5K use either unique open iron sights or redesigned fixed iron sights.Template:Sfn

MP5K Prototype

Stockless, cut-down MP5A2 with regular iron sights and an open vertical foregrip, developed in 1976.Template:Sfn

MP5KA1

Standard MP5K with the "SEF" trigger group, smooth upper surface, and small low-profile iron sights.Template:Sfn

MP5KA4

Standard MP5K with the "Navy 3-Round Burst" trigger group and regular iron sights.Template:Sfn

MP5KA5

Standard MP5K with the "Navy 3-Round Burst" trigger group, smooth upper surface, and small low-profile iron sights.Template:Sfn

MP5K-N

Naval variant of the MP5K, with the "Navy" trigger group and a custom "3-Lug" muzzle similar to that of the MP5N.Template:Sfn

MP5K-PDW

"Full-size" variant of the MP5K, introduced in 1991. It is designed to provide the benefits of the MP5K with the size and handling of a regular MP5, and is essentially a regular MP5K with a custom folding stock, "Navy" trigger group, and 5.5-inch barrel with a custom "3-Lug" muzzle similar to that of the MP5N but for a Qual-A-Tec suppressor. Despite its name, the MP5K-PDW is not a personal defense weapon, as it uses a handgun cartridge and not the sub-intermediate cartridges used by actual PDWs; rather, its name is derived from its intended use as a self-protection firearm for vehicle and aircraft crews.Template:Sfn

MP5K Operational Briefcase

Standard MP5K intended for use with the Spezialkoffer ("Special Case"), a custom briefcase built by Hofbauer GmbH with a modified claw mount for holding the MP5K, a firing port, and a trigger built into the briefcase handgrip, introduced in 1978. Intended for security details in close-range defense or suppressive fire situations, the MP5K Operational Briefcase uses a firing mechanism built into the briefcase to allow the MP5K to fire without taking time to remove it; however, it cannot be reloaded, cleared of obstructions, or emptied of spent shell casings without opening the briefcase and detaching the MP5K.<ref name=":14">{{#invoke:citation/CS1|citation

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MP5K Special Bag

Variant of the MP5K Operational Briefcase introduced around 1978, using a leather suitcase called the Spezialtasche ("Special Bag"). Instead of using the handgrip as a trigger, the Spezialtasche features a hidden opening that allows the user to discreetly reach into the bag and fire the MP5K directly.<ref name=":14" />

MP5K Falling Case

Variant of the MP5K Operational Briefcase introduced around 1978, using a detachable briefcase called the Zerfallkoffer ("Falling Case"). Instead of allowing the MP5K to fire within the case, the ZerfallkofferTemplate:'s handgrip and claw mount is designed to be quickly detached from the briefcase, "shedding" it and allowing the MP5K to be used as normal, albeit with a carryhandle. The Zerfallkoffer is also compatible with the MP7.<ref name=":14" />

Rechambered variants

File:H&K MP540 with Railed Forend.jpg

An MP5/40 with a rail-equipped handguard and a polymer 30-round magazine

Though the MP5 is normally chambered in 9×19mm Parabellum, two variants and an unreleased kit existed that used different ammunition.Template:Sfn

MP5/10

MP5 chambered in 10mm Auto, introduced in 1992. It features either a fixed or retractable stock, the "Navy 2-Round Burst" trigger group, and the MP5N's custom "3-Lug" muzzle derivative and tritium illuminated sights. It includes a bolt hold-open device, which catches the bolt in its rear position when empty, and is released by pressing a lever on the left side of the receiver. It is fed by custom 30-round translucent straight magazines.Template:Sfn The MP5/10 was discontinued in 2000, but HK still offers support and spare parts.Template:Sfn

MP5/40

MP5 chambered in .40 S&W, introduced in 1992. It has largely the same features and configuration options of the MP5/10, and is fed by similar 30-round translucent straight magazines, but uses the regular "Navy" trigger group (without the burst-fire selection).Template:Sfn The MP5/40 was discontinued in 2000, but HK still offers support and spare parts.Template:Sfn

MP5 .22 LR

MP5 chambered in .22 Long Rifle, introduced around 2021. It comes in two variants: the MP5 .22 LR Rifle, which resembles an MP5SD3 with a 16.1-inch barrel hidden by a faux "integral suppressor" barrel shroud; and the MP5 .22 LR Pistol, which resembles an MP5A1 or MP5A3 with an 8.5-inch barrel. Both variants use the "Tropical" handguard and the "0-1" trigger group. Like all civilian market MP5 variants, it is semi-automatic only.<ref>{{#invoke:citation/CS1|citation

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MP5 .22 Long Rifle Rechambering Kit

Rechambering kit to convert an MP5 to .22 Long Rifle, introduced in the early 1970s and discontinued at an indeterminate point. The kit consisted of a barrel insert, a bolt group, and two 20-round magazines, and was mostly sold to law enforcement agencies for training purposes by easing trainees inexperienced with the MP5 into learning handling techniques and firing practice without the high recoil and cost of 9×19mm rounds. The conversion reduced the MP5's rate of fire to 650 rounds per minute. It was ultimately replaced by the MP5 .22 LR in 2021.

MP5 6.5×25mm Rechambering Kit

Rechambering kit to convert an MP5 to 6.5×25mm CBJ, which was proposed in the 2000s but never released. It would have allowed an MP5 to be rechambered simply by switching its barrel.<ref name=":22">{{#invoke:citation/CS1|citation

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Civilian variants

File:HK94k on Finnish camo.jpg

An HK94 with a shortened barrel, the "0-1" trigger group, a retractable stock, the "Tropical" handguard, and an aftermarket ACOG sight

HK94

Civilian market variant of the MP5, imported Template:Where from 1983 to 1989 (with a one-off final order for the California Department of Corrections and Rehabilitation delivered in 1991). It has a 16.54-inch barrel, "0-1" trigger group, push-button magazine release (as opposed to the paddle magazine release on regular MP5s), and a straight pistol grip similar to that on the MP5A4 and MP5A5. It has two variants: the HK94A2 with a fixed stock, and the HK94A3 with a retractable stock. Optional accessories included a handguard-mounted foregrip and a ventilated barrel shroud. The HK94 was particularly popular as a prop in film and television productions of the era, and blank-firing HK94s with "chopped" 8.9-inch barrels and fake automatic conversions were often used as cost-effective MP5 stand-ins well into the 2010s.Template:SfnTemplate:Sfn

HK94/SG-1

Accurized sharpshooting variant of the HK94, introduced in 1985. It was designed and intended for marksman fire in situations and environments where precise handgun cartridge fire may be needed, such as dense urban areas and indoor environments like prisons. It has a fixed match stock with a rubber buttpad and an adjustable cheekpiece, a folding bipod, a flash hider, and a Leupold 6x telescopic sight. A PSG1-inspired aftermarket trigger pack was also produced, featuring a target pistol grip and match trigger. The HK94/SG-1 did not sell very well due to its niche role and poor performance—it had poor range, penetration, and stopping power, and its Leupold scope was calibrated for .223 Remington and not 9×19mm—and only 50 units were imported to the U.S., primarily to target shooters and firearm collectors.<ref>{{#invoke:citation/CS1|citation

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SP89

Civilian market variant of the MP5K, imported to the U.S. between 1989 and 1994. To comply with the National Firearms Act, the SP89 features a redesigned handguard that replaces the MP5K's built-in foregrip with an extended barrel shroud. Like all civilian market MP5 variants, it is semi-automatic only.Template:Sfn

SP5K

Modernized SP89 for the American civilian market, imported to the U.S. as a pistol in 2017. It largely resembles the SP89, with a redesigned extended barrel shroud and a top-mounted Picatinny rail for sights. Like all civilian market MP5 variants, it is semi-automatic only.<ref>{{#invoke:citation/CS1|citation

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SP5

Modernized civilian market variant of the MP5 introduced in 2019, replacing the HK94. It resembles an MP5A2 with an 8.8-inch barrel, MP5K-style threaded adaptor, "Tropical" handguard, "0-1" trigger group, paddle magazine release, fluted chamber, and the buyer's choice of fixed stock, retractable stock, or endcap.<ref>{{#invoke:citation/CS1|citation

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SP5K-PDW

Modernized civilian market variant of the MP5K introduced in 2019, replacing the SP5K. It resembles an MP5K without its handguard foregrip. Like all civilian market MP5 variants, it is semi-automatic only.<ref>{{#invoke:citation/CS1|citation

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Prototypes

Five prototype firearms based on the MP5 were developed by Heckler & Koch in the 1980s and 1990s, mostly intended as improved variants or potential successors, but were not developed any further.

HK54A1

Prototype improvement of the HK54, designed for the U.S. Navy Naval Weapons Support Center Crane's (NWSC) Joint Service Small Arms Program (JSSAP) in 1980. It was essentially a refreshed ambidextrous MP5SD with a redesigned retractable stock and compatibility with a 50-round drum magazine. It was designed to be suitable for frogmen and paratroopers in any environment, and was thus also designed to be reliably functional in extreme temperatures and while wearing bulky gloves. HK's proposal for the HK54A1 noted it could be converted to .45 ACP if necessary. An unknown number were produced for testing purposes out of regular MP5 components. The HK54A1 was never properly developed for field use, but it met most JSSAP requirements, drawing the attention of the U.S. government and leading to the development of the SMG I and SMG II.<ref name=":5">{{#invoke:citation/CS1|citation

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SMG I

Prototype derived from the HK54A1, first developed for the JSSAP between 1982 and 1983. It was intended to spawn a "family" of modular all-purpose submachine guns. Unique for HK, the SMG I used a simple blowback operation with separate lower and upper receivers and an easy-to-remove 5.8-inch barrel with an integral suppressor. It had a boxy body with a retractable stock and a diagonal foregrip. A mechanical and hydraulic buffer in the backplate and a timing device in the stock reduced its rate of fire to a manageable 500 rounds per minute, roughly half that of the HK54A1. The rear iron sight, resembling that of the HK21E, allowed for adjustments based on wind, ammunition type, and sight elevation, and also featured indents to assist with close-range point shooting. The trigger included an add-on to be used with bulkier gloves such as mittens. Only 20 handmade examples were produced. The SMG I was tested by NWSC Crane in 1984 and proved promising, but several minor issues prompted the development of the SMG II.<ref name=":5" /><ref name=":6">{{#invoke:citation/CS1|citation

|CitationClass=web }}</ref><ref>{{#invoke:citation/CS1|citation |CitationClass=web }}</ref>

SMG II

Prototype derived from the SMG I, developed around 1985. It has a largely identical design but addresses the issues reported by NWSC Crane. Its combination of the MP5, MP5SD, and MP5K was made more clear: analogous to the MP5 by default, the addition of a custom suppressor made it akin to the MP5SD, and the removal of the suppressor and retractable stock converted it into an MP5K-like automatic pistol. The three-round burst fire setting returned from the HK54A1. Several components were made from plastic to reduce weight, while the over-engineered rear sight was abandoned for a simpler MP5-style sight. Uniquely, the SMG II had a gas cylinder in the handguard with a gas relief valve on the receiver, used to control round velocity and thus also sound: the "L" setting reduced the propellant gases to fire rounds below the speed of sound—and thus without the usual crack of supersonic projectiles—for almost silent suppressed fire, while the "H" setting used all available gas to fire rounds at full velocity for reliable unsuppressed fire. Other internal changes were made to reduce cost and simplify production and maintenance, but otherwise the SMG II was largely just an improvement of the SMG I. Like the SMG I, only 20 handmade examples were produced for testing by NWSC Crane. While the SMG II again proved promising, it was ultimately abandoned, not for budgetary or technical concerns, but simply due to the success of the regular MP5 and its derivatives, which were already popular enough with the U.S. Navy and all other potential customers to make a replacement unnecessary; HK ultimately developed the MP5N for the U.S. Navy instead. Allegedly, between 60 and 80 additional SMG IIs were secretly commissioned for an unidentified U.S. government agency, possibly a member of the U.S. Intelligence Community, where they were favored by their users, but the lack of spare parts and the gradual move to higher-caliber firearms for close-quarters combat led to all of them being retired and melted down for disposal some time around 1999. Technical knowledge from the SMG II and the concept of a universal submachine gun were later repurposed for the MP2000 prototype and the UMP.<ref name=":5" /><ref name=":6" /><ref>{{#invoke:citation/CS1|citation

|CitationClass=web }}</ref>

MP5 PIP

Prototype developed around the late 1980s and early 1990s. Very little is known about the MP5 PIP or why it was developed, but it had a boxier body resembling the later UMP, a shorter diagonal magazine, and the "flipper" charging handle later used on the G36. Only one non-functional wooden mockup was produced.<ref>{{#invoke:citation/CS1|citation

|CitationClass=web }}</ref>

MP2000

Prototype derived from the SMG II, developed in the 1990s. It somewhat resembled the SMG II and featured a propellant gas-based round velocity silencing system similar to that of the SMG II. It was presumably an attempted revival of the SMG II concept to replace the MP5 for the 21st century. It is an immediate predecessor of the UMP, which was ultimately marketed as such.<ref name=":5" />

Other manufacturers

Under license

Name	Origin	Manufacturer	Notes
	Template:Flag	Hellenic Defence Systems	citation	CitationClass=web }}</ref>
Tondar	Template:Flag	Defense Industries Organization	MP5A3 copy<ref name="worldpolicy2000"/>
Tondar Light			MP5K copy<ref name="worldpolicy2000"/>
	Template:Flag	SEDENA	Template:Sfn
MP5P	Template:Flag	Pakistan Ordnance Factories	<ref name="pof.gov.pk">{{#invoke:citation/CS1|citation	CitationClass=web }}</ref><ref name="atlanticfirearms.com">{{#invoke:citation/CS1|citation	CitationClass=web }}</ref><ref name="POF 5PK 9mm Pistol">{{#invoke:citation/CS1|citation	CitationClass=web }}</ref>
POF4
POF-5
	Template:Flag	Military Industries Corporation	citation	CitationClass=web }}</ref>
	Template:Flag	Brügger & Thomet	<ref name="Clone"/>
	Template:Flag	MKEK	citation	CitationClass=web }}</ref>
	Template:Flag	Royal Small Arms Factory	<ref name="worldpolicy2000"/>

Manufactured without license

Name	Origin	Manufacturer	Notes
NR-08	Template:Flag	Norinco	citation	CitationClass=web }}</ref>
NR-08A			citation	CitationClass=web }}</ref>
CS/LS3			citation	CitationClass=web }}</ref>
OFB Anamika 9mm	Template:Flag	Indian Ordnance Factory	citation	CitationClass=web }}</ref>
Tihraga	Template:Flag	Military Industry Corporation	citation	CitationClass=web }}</ref>

In the United States, PTR Industries,<ref>{{#invoke:citation/CS1|citation |CitationClass=web }}</ref> Zenith Firearms,<ref>{{#invoke:citation/CS1|citation |CitationClass=web }}</ref> Dakota Tactical,<ref>{{#invoke:citation/CS1|citation |CitationClass=web }}</ref><ref>{{#invoke:citation/CS1|citation |CitationClass=web }}</ref> and Century International Arms<ref>{{#invoke:citation/CS1|citation |CitationClass=web }}</ref> manufacture semi-automatic clones of the MP5 that are legally classified as pistols. In 2007, Professional Arms demonstrated the MK5, an MP5 clone that could be rechambered between 9×19mm, .45 ACP, and .40 S&W.<ref>{{#invoke:citation/CS1|citation |CitationClass=web }}</ref>

Users

File:MP5 operators of the world.svg

Worldwide users of the MP5 (former and current)

Country/Region	Organization name	Model	Caliber	Reference
Template:Flag	Afghan National Army	Pakistani-made (after 2001) West German<ref>{{#invoke:citation/CS1|citation	CitationClass=web }}Template:Failed verification</ref>	_	<ref>Template:Cite book</ref>
	Zahir Qadir's Frontier Force		Template:Sfn
Template:Flag	Garda e Republikës	_	_	<ref>{{#invoke:citation/CS1|citation	CitationClass=web }}</ref>
	Batalioni i Operacioneve Speciale (BOS)	K	_	Template:Citation needed
Template:DZA	Algerian Police	SD6, SD3, K, A3, A5	9mm	<ref>{{#invoke:citation/CS1|citation	CitationClass=web }}</ref>
	Algerian Special Forces	_	9mm	Template:Citation needed
Template:Flag	Argentine Navy	_	_	<ref name="gander1995">Gander, Terry J.; Hogg, Ian V. Jane's Infantry Weapons 1995/1996. Jane's Information Group; 21 edition (May 1995). Template:ISBN.</ref>
	Argentine National Gendarmerie	_	_	<ref name="gander1995"/>
	Argentine Federal Police	_	_	<ref name="gander1995"/>
	Argentine Naval Prefecture	A2	_	<ref name="gander1995"/>
Template:Flag	Airfield Defence Guards of the Royal Australian Air Force	A3	9mm	<ref>{{#invoke:citation/CS1|citation	CitationClass=web }}</ref>
	Special Operations Command	A3, K, SD	9mm	<ref>{{#invoke:citation/CS1|citation	CitationClass=web }}</ref>
	Police Tactical Groups	_	9mm	<ref>{{#invoke:citation/CS1|citation	CitationClass=web }}</ref>
Template:Flag	_	_	_	Template:Sfn
Template:Flag	Bangladesh Army	_	_	<ref name="jones2009">Template:Harvnb</ref>
	Bangladesh SWAT Police	_	_
	Rapid Action Battalion,	_	_
	Special Warfare Diving And Salvage of the Bangladesh Navy	_	_
Template:Flag	"Almaz" anti-terrorist group	A3, K	9mm	<ref>{{#invoke:citation/CS1|citation	CitationClass=web }}</ref>
	KGB Alpha Group	A3	9mm	<ref>{{#invoke:citation/CS1|citation	CitationClass=web }}</ref>
Template:Flag	Law enforcement in Belgium	_	9mm	Template:Sfn
Template:Flag	Federal Police	A2, A3, A5, SD3	9mm	Template:Sfn<ref name=":1">{{#invoke:citation/CS1|citation	CitationClass=web }}</ref>
	BOPE	A5, K	9mm	<ref>Template:Cite book</ref><ref name=":1" />
	1º Batalhão de Forças Especiais	KA4, SD1, SD6	9mm	<ref>Template:Cite book</ref><ref name=":1" />
	Brasilia Police	A3	9mm	<ref name=":1" />
	Civil Police of Rio de Janeiro State	_	_	<ref>{{#invoke:citation/CS1|citation	CitationClass=web }}</ref>
	Comando de Operações Taticas	A5, SD6	9mm	<ref name=":1" />
	COMANF	KA4, SD6	9mm	<ref name=":1" />
Template:Flag	Royal Brunei Police Force	_	9mm	<ref>{{#invoke:citation/CS1|citation	CitationClass=web }}</ref>
Template:Flag	Specialized Anti-Terrorism Task Force	SD3	9mm	<ref>{{#invoke:citation/CS1|citation	CitationClass=web }}</ref>
Template:Flag	_	_	_	Template:Sfn
Template:Flag	Royal Canadian Mounted Police	A2, A3	_	<ref>{{#invoke:citation/CS1|citation	CitationClass=web }}</ref>
	Royal Canadian Navy
	Sûreté du Québec			citation	CitationClass=web }}</ref>
Template:Flag	_	_	_	Template:Sfn
Template:Flag	People's Police	NR-08, CS/LS3	_	<ref>{{#invoke:citation/CS1|citation	CitationClass=web }}Template:Cbignore</ref><ref>{{#invoke:citation/CS1|citation	CitationClass=web }}</ref>
Template:Flag	UEA (Unidad Especial de Apoyo) Special Police Unit	_	_	<ref>{{#invoke:citation/CS1|citation	CitationClass=web }}</ref>
Template:Flag	Lučko Anti-Terrorist Unit	SD3	_	<ref>{{#invoke:citation/CS1|citation	CitationClass=web }}</ref>
Template:Flag	Black Wasp	A3	_	<ref name="Youtube">{{#invoke:citation/CS1|citation	CitationClass=web }}</ref>
	Special Unit of MININT
Template:Flag	Police of the Czech Republic	A5, SD6, SA3, K	_	Template:Sfn
	Military of Czech Republic		_	<ref>{{#invoke:citation/CS1|citation	CitationClass=web }}</ref>
Template:Flag	_	_	_	Template:Sfn
Template:Flag	Frogman Corps	_	_	Template:Sfn
	Danish Police
Template:Flag	National Police	_	_	<ref>{{#invoke:citation/CS1|citation	CitationClass=web }}</ref>
Template:Flag	Unit 777	K, A3, A5, SD	_	<ref name="Bennett2011">Template:Cite book</ref>
	Egyptian National Police
Template:Flag	Estonian Defence Forces	A2	9mm	<ref>{{#invoke:citation/CS1|citation	CitationClass=web }}</ref>
Template:Flag	-	_	_	<ref name=Capie>Template:Cite book</ref>
Template:Flag	Special operations forces and military police of the Finnish Defence Forces	A3	9mm	<ref>{{#invoke:citation/CS1|citation	CitationClass=web }}</ref>
Template:Flag	Groupe d'Intervention de la Gendarmerie Nationale (GIGN)	A5, K	_	Template:Sfn
	Certain specialized units within the French Army	A5, SD3, F	9mm	<ref>{{#invoke:citation/CS1|citation	CitationClass=web }}</ref><ref>{{#invoke:citation/CS1|citation	CitationClass=web }}</ref>
Template:Flag	Georgian Special Forces	K, SD, A3, A1	9mm	<ref>{{#invoke:citation/CS1|citation	CitationClass=web }}</ref><ref>{{#invoke:citation/CS1|citation	CitationClass=web }}</ref>
	Special State Protection Service (SSPS)
	Coast Guard of Georgia
Template:Flag	Bundespolizei (Federal Police)	_	_	<ref>{{#invoke:citation/CS1|citation	CitationClass=web }}</ref>
	Landespolizei (State Police)	_	_
	German Army	_	_	<ref>{{#invoke:citation/CS1|citation	CitationClass=web }}</ref>
	Feldjäger (Military Police)	_	_
	GSG 9 police tactical unit	_	_	<ref name="miller2001">Miller, David (2001). The Illustrated Directory of 20th Century Guns. Salamander Books Ltd. Template:ISBN.</ref>
	German Navy	_	_	Template:Sfn
	SEK
Template:Flag	_	_	_	Template:Sfn
Template:Flag	_	_	_	Template:Sfn
Template:Flag	Hong Kong Police Force	SFA2、A3、A5、F、K、K-PDW、RAS、SD3、SK、S-N1、S-N2	_	<ref>{{#invoke:citation/CS1|citation	CitationClass=web }}</ref><ref>Template:Cite news</ref>
	Hong Kong Customs and Excise Department	SFA3	_
Template:Flag	Icelandic Coast Guard	A2N	9 mm	<ref>{{#invoke:citation/CS1|citation	CitationClass=web }}</ref>
	Víkingasveitin	_	_	<ref name="Fréttablaðið, March 6, 2004, p. 18">"Sérsveitin í brennidepli", Fréttablaðið, March 6. 2004, p. 18, Dagur – Tíminn, Akureyri, March 8. 1997, p. 20.</ref>
	Icelandic National Police
Template:Flag	Indian Army	_	_	<ref>{{#invoke:citation/CS1|citation	CitationClass=web }}</ref>
	MARCOS	_	_
	National Security Guards	_	_
	Force One counter-terrorism group of the Mumbai Police	_	_
	Mizoram Police	_	_	_
	Special Protection Group	_	_	<ref>{{#invoke:citation/CS1|citation	CitationClass=web }}</ref>
	Kolkata Police	_	_	_
Template:Flag	Komando Pasukan Katak (KOPASKA) tactical diver group of Indonesian Navy	_	9mm	Template:Sfn
Template:Flag	Counter Terrorist Service	A3		Template:Sfn
Template:Flag	Iranian Army	MPT-9	_
Template:Flag	Army Ranger Wing	A3, SD6, F, K	9mm	<ref>{{#invoke:citation/CS1|citation	CitationClass=web }}</ref>
	Directorate of Military IntelligenceTemplate:Cn	_	_
	Garda Special Detective UnitTemplate:Cn	_	_
	Garda Emergency Response UnitTemplate:Cn	_	_
Template:Flag	Carabinieri	_	_	<ref>{{#invoke:citation/CS1|citation	CitationClass=web }}</ref>
Template:Flag	Unknown users	A5	9mm	<ref>Template:Cite book</ref>
Template:Flag	Jamaica Constabulary Force	_	_	Template:Sfn
Template:Flag	Special Boarding Unit	A5, SD6	9mm	<ref>{{#invoke:citation/CS1|citation	CitationClass=web }}</ref>
	Special Assault Teams	A4, A5 SD4, SD6	_	<ref name="SAT Structure">{{#invoke:citation/CS1|citation	CitationClass=web }}</ref>
	Anti-firearms squads of prefectural police departments
	Special Investigation Teams of prefectural police departments	SFK	_	<ref>Template:Cite journal</ref>
	Special Security Team of the Japan Coast Guard	_	_	<ref name="Web">{{#invoke:citation/CS1|citation	CitationClass=web }}</ref>
	Japanese Special Forces Group	SD6	9mm	<ref name="Report">{{#invoke:citation/CS1|citation	CitationClass=web }}</ref>
	Japanese Imperial Guard	_	_	<ref>{{#invoke:citation/CS1|citation	CitationClass=web }}</ref>
Template:Flag	_	_	_	Template:Sfn
Template:Flag	_	_	_	Template:Sfn
Template:Flag	Kenya Police	_	_	<ref>{{#invoke:citation/CS1|citation	CitationClass=web }}Template:Dead link</ref><ref>{{#invoke:citation/CS1|citation	CitationClass=web }}</ref>
Template:Flag	Latvian Land Forces	A3	9mm	<ref name=":3">{{#invoke:citation/CS1|citation	CitationClass=web }}</ref>
Template:Flag	Marine Commandos	A3	_	<ref name ='SAS 26'/>
Template:Flag		_	_	<ref name ='SAS 26'>Template:Cite book</ref>
Template:Flag	Special Police Unit	_	_	<ref>{{#invoke:citation/CS1|citation	CitationClass=web }}</ref><ref>{{#invoke:citation/CS1|citation	CitationClass=web }}</ref>
	Security Corps	_	_
Template:Flag	Lithuanian Armed Forces	_	_	<ref>{{#invoke:citation/CS1|citation	CitationClass=web }}</ref>
	Aras	_	_	<ref>{{#invoke:citation/CS1|citation	CitationClass=web }}</ref>
Template:Flag	Unité Spéciale de la Police intervention unit of the Grand Ducal Police	_	_	<ref>{{#invoke:citation/CS1|citation	CitationClass=web }}</ref>
Template:Flag	Public Security Police Force
	Polícia Judiciária
	Correctional Services Bureau
Template:MAS	Royal Malaysia Police	A2, A3, K, SD2, SD3	9mm	<ref>{{#invoke:citation/CS1|citation	CitationClass=web }}</ref><ref>{{#invoke:citation/CS1|citation	CitationClass=web }}</ref>
	Royal Malaysian Customs			<ref>{{#invoke:citation/CS1|citation	CitationClass=web }}</ref>
	10 Paratrooper Brigade commando of the Malaysian Army	A3, SD2, SD3		<ref>{{#invoke:citation/CS1|citation	CitationClass=web }}</ref>
	National Special Operations Force (NSOF)	_
	Trup Tindakan Cepat special operations unit of the Malaysian Prison Department	A3, SD3
Template:Flag	Armed Forces of Malta	_	_	Template:Sfn
Template:Flag	_	_	_	Template:Sfn
Template:Flag	Mexican Army	A4	9mm	<ref>{{#invoke:citation/CS1|citation	CitationClass=web }}</ref><ref>{{#invoke:citation/CS1|citation	CitationClass=web }}</ref>
Template:MAR	Royal Moroccan Army	A2	9mm	<ref>{{#invoke:citation/CS1|citation	CitationClass=web }}</ref>
	Royal Moroccan Navy	_	_
	Royal Moroccan Gendarmerie	A2	9mm
Template:Flag	Armed Forces of Montenegro	SD6, SD3, SD2, A5, A3, A2, K-PDW	9mm	<ref>{{#invoke:citation/CS1|citation	CitationClass=web }}</ref><ref>{{#invoke:citation/CS1|citation	CitationClass=web }}</ref><ref>{{#invoke:citation/CS1|citation	CitationClass=web }}</ref>
	Protivteroristička Jedinica Policije (Counter-Terrorist Police Unit) (PTJ)	SD3, A3, A2, K	9mm
	Posebna Jedinica Policije (Special Police Unit) (PJP)	SD3, A3, A2, K	9mm
Template:Flag	Nepalese Army	_	_	<ref>Template:Cite journal</ref>
Template:Flag	Dutch Royal and Diplomatic security (DKDB)	_	_	<ref>{{#invoke:citation/CS1|citation	CitationClass=web }}</ref>
	Koninklijke Marechaussee	A3	9mm
	Dutch police	_	_
Template:Flag	Special Air Service of the New Zealand Army	_	_	<ref>Media Works NZ / TV3 Documentary – Inside New Zealand – NZSAS: First Among Equals. TVNZ Documentary – Line of Fire. www.army.mil.nz/our-army/nzsas</ref>
	Special Tactics Group of the New Zealand Police	_	_
Template:Flag	_	_	_	Template:Sfn
Template:Flag	_	_	_	Template:Sfn
Template:Flag	_	_	_	Template:Sfn
Template:Flag	Norwegian Armed Forces, replaced by the MP7	A2N, A3N	9mm	<ref>{{#invoke:citation/CS1|citation	CitationClass=web }}</ref>
	Norwegian Police Service	_	_	<ref>{{#invoke:citation/CS1|citation	CitationClass=web }}</ref>
Template:Flag	Pakistan Army	_	_	<ref name='PkDef'>{{#invoke:citation/CS1|citation	CitationClass=web }}</ref>
	Airports Security Force	_	_
	Personal security detail of VIP's	_	_
Template:Flag	Peruvian Army special forces	SD3	_	<ref>Template:Cite journal</ref>
Template:Flag	Armed Forces of the Philippines	_	_	<ref>{{#invoke:citation/CS1|citation	CitationClass=web }}</ref>
	Philippine National Police	_	_
	Philippine Coast Guard	_	_	<ref>{{#invoke:citation/CS1|citation	CitationClass=web }}</ref>
Template:Flag	Police of Poland	A3, A5, SD6, KA4	9mm	<ref name=polandballplodgatmanifest>{{#invoke:citation/CS1|citation	CitationClass=web }}</ref><ref name=35pistolety1>{{#invoke:citation/CS1|citation	CitationClass=web }}</ref><ref>{{#invoke:citation/CS1|citation	CitationClass=web }}</ref><ref name="ctgatorders">{{#invoke:citation/CS1|citation	CitationClass=web }}</ref><ref name=Policjasiezbroi>{{#invoke:citation/CS1|citation	CitationClass=web }}</ref><ref>{{#invoke:citation/CS1|citation	CitationClass=web }}</ref>
Template:Flag	Special Operations Troops Centre	A5, SD6, KA4	9mm	<ref>{{#invoke:citation/CS1|citation	CitationClass=web }}</ref>
	Portuguese Marine Corps	A5	9mm	<ref>{{#invoke:citation/CS1|citation	CitationClass=web }}</ref>
	National Republican Guard	_	9mm	<ref>{{#invoke:citation/CS1|citation	CitationClass=web }}</ref>
	Polícia de Segurança Pública	_	9mm	<ref>{{#invoke:citation/CS1|citation	CitationClass=web }}</ref>
Template:Flag	_	_	_	Template:Sfn
Template:Flag	Romanian Special Operations Forces	N	9mm	<ref>{{#invoke:citation/CS1|citation	CitationClass=web }}</ref>
	Romanian Intelligence Service (SRI) Counter Terrorist Brigade (Brigada Antiteroristă)	_	9mm	<ref>{{#invoke:citation/CS1|citation	CitationClass=web }}</ref>
	Brigada Specială de Intervenție a Jandarmeriei	_	9mm	<ref name="fotob1">{{#invoke:citation/CS1|citation	CitationClass=web }}Template:Dead link</ref>
	Detașamentul Special de Protecție și Intervenție	_	9mm	<ref name="DSPI/DIR">{{#invoke:citation/CS1|citation	CitationClass=web }}</ref>
Template:Flag	FSB Alpha Group	A3	9mm	<ref>{{#invoke:citation/CS1|citation	CitationClass=web }}</ref><ref name=":0" />
Template:Flag	Royal Saudi Land Forces	A2, A3	9mm	<ref name="worldpolicy2000"/>
Template:Flag	72nd Reconnaissance-Commando Battalion	SD3	_	Template:Sfn
Template:Flag	Singapore Armed Forces Commando Formation	_	9mm	<ref>{{#invoke:citation/CS1|citation	CitationClass=web }}</ref>
	Singapore Police Force	_		<ref name="SPFAST">Template:Cite journal</ref><ref name="SPFSTAR">Template:Cite journal</ref>
Template:Flag	Slovak Police	_	_	<ref>{{#invoke:citation/CS1|citation	CitationClass=web }}</ref>
Template:Flag	Military Police of Slovenian Armed Forces	_	_	<ref>{{#invoke:citation/CS1|citation	CitationClass=web }}</ref>
	SEP SWAT Special Police Unit of Slovenian Police	_	_
Template:Flag	Special Task Force of the South African Police Service	N	9mm	<ref>{{#invoke:citation/CS1|citation	CitationClass=web }}</ref><ref>{{#invoke:citation/CS1|citation	CitationClass=web }}</ref>
	South African Special Forces	SD3
	South African Army
	Maritime Reaction Squadron
Template:Flag	Republic of Korea Naval Special Warfare Brigade	_	_	<ref>{{#invoke:citation/CS1|citation	CitationClass=web }}</ref>
Template:Flag	Grupo Especial de Operaciones	_	_	<ref>{{#invoke:citation/CS1|citation	CitationClass=web }}</ref>
	Servicio de Vigilancia Aduanera (SVA)
Template:Flag	Sudanese Army	_	_	Template:Sfn
Template:Flag	Swedish Police Authority	A5	_	<ref>{{#invoke:citation/CS1|citation	CitationClass=web }}</ref>
Template:Flag	Swiss Army	A5	_	<ref>{{#invoke:citation/CS1|citation	CitationClass=web }}</ref>
Template:Flag	Republic of China Army	_	_	Template:Sfn
	Republic of China Marine Corps
	Coast Guard Administration
	National Police Agency
Template:Flag	Royal Thai Police	A2, A3	9mm	Template:Sfn
	Department of Corrections
Template:Flag	Turkish Armed Forces	A2, A3, SD3, K	9mm	<ref name="miller2001" />
	General Directorate of Security
Template:Flag	Rapid Operational Response Unit (KORD)	A3 (MKEK)	9mm	<ref>{{#invoke:citation/CS1|citation	CitationClass=web }}</ref>
Template:Flag	_	_	_	Template:Sfn
Template:Flag	United Kingdom Special Forces (UKSF)	_	9mm	<ref name="miller2001"/>
	Police Service of Northern Ireland	SF	9mm	<ref>{{#invoke:citation/CS1|citation	CitationClass=web }}</ref>
	Metropolitan Police Specialist Firearms Command (SCO-19)	SF	9mm	<ref>Template:Cite news</ref>
	Other British police Authorised Firearms Officers	SF	9mm	<ref>{{#invoke:citation/CS1|citation	CitationClass=web }}</ref>
Template:Flag	Special Operations Command (SOCOM)	N, K-N, SD-N	9mm	<ref>{{#invoke:citation/CS1|citation	CitationClass=web }}</ref>
	Secret Service	_	_	<ref>Template:Cite journal</ref>
	FBI Hostage Rescue Team	MP5/10	10mm	<ref name="diez2000">Diez, Octavio (2000). Armament and Technology. Lema Publications, S.L. Template:ISBN.</ref>
	Law enforcement in the United States	_	_
Template:Flag	Uruguayan Navy Special Forces	A5	9mm	Template:Sfn
Template:Flag	Swiss Guard	_	_	<ref>Template:Cite news</ref>
Template:Flag	Mobile Police Command (CSCĐ) teams	A3, K-A4	9mm	<ref>{{#invoke:citation/CS1|citation	CitationClass=web }}</ref>
	Quick reaction force (113) police
Template:Flag	_	_	_	Template:Sfn

Former users

• Template:GDR: Used by Diensteinheit IX.<ref>{{#invoke:citation/CS1|citation

|CitationClass=web }}</ref>

Gallery

• AKM and MP5K.JPEG

  An American Air Traffic Control Detachment range officer fires an MP5K at the Baghdad International Airport firing range.

• US Navy SEALs in from water.jpg

  U.S. Navy SEALs armed with MP5-Ns on a training exercise

• SEAL MP5N.JPEG

  A member of SEAL Team 8 with an MP5-N variant in February 1991

• Bangladesh Army Counter Terrorism unit. (31527384851).jpg

  Bangladesh Army Counter Terrorism unit with MP5A3 in Victory Day Parade 2016

• Rapid Action Battalion (04).jpg

  Rapid Action Battalion of Bangladesh armed with MP5K (except the second from right)

• Iranian green beret commandos (7).jpg

  NOHED Brigade of Iran training with their MP5 along with their sidearm

• RATS operators parading.jpg

  Anti-Firearms Squad of Japan armed with MP5 submachine guns. Some are equipped with Brügger & Thomet Foldable Visor Helmet Stocks.

• PDRM with MP5.jpg

  Recruits of the Royal Malaysia Police training with their MP5s

• Topkapı sarayında nöbetçi Jandarma Eri.jpg

  A Turkish gendarme with an MP5 at Topkapı Palace in Istanbul

• Police.gun.1.london.arp.jpg

  Police officer from Met police London England UK at Downing Street security holding an MP5A3

• RAF-Logo.svg

  The West German communist militant group Red Army Faction (RAF) depicted the MP5 in their insignia, shown here.<ref>Template:Cite news</ref>

See also

• IMI Uzi
• Colt M635
• List of delayed blowback firearms

References

Bibliography

• Template:Cite book
• Template:Cite book
• Template:Cite book
• Template:Cite book
• Template:Cite book
• Template:Cite book
• Template:Cite book
• Template:Cite book

External links

• Template:Official website

• 2008 Heckler & Koch Military and LE brochure Template:Webarchive
• HKPRO: MP5, MP5K Template:Webarchive, MP5SD Template:Webarchive, MP5/10 & MP5/40 Template:Webarchive
• REMTEK: MP5, MP5K, MP5K PDW, MP5SD, MP5/10
• HECKLER & KOCH MP5 SUB MACHINE GUN FAMILY OPERATOR'S MANUAL Template:Webarchive
• HK MP5 Armorers Manual