Editing M4

{{Wiktionary|M4}}
'''M4''' or '''M-4''' most often refers to:
* [[M4 carbine]], an American carbine
* [[M4 Sherman]], an American World War II medium tank

'''M4''', '''M04''', or '''M-4''' may also refer to:

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== Arts and entertainment ==

* [[M4 (EP)|''M4'' (EP)]], a 2006 EP by Faunts
* [[M4 (video game)|''M4'' (video game)]], a 1992 computer game developed for the Macintosh
* ''M.IV'' ("Matrix IV"), the fictional Warner Brothers videogame project inside the 2021 film ''[[The Matrix Resurrections]]''
* Former name of band [[Concrete Castles|First to Eleven]]
* M4, the robot assistant to the character Flint in the Star Trek episode [[Requiem for Methuselah]]

== Military ==

=== Weapons ===

* [[Benelli M4]] Super 90, an Italian semi-automatic,gas-operated shotgun
* [[M4 autocannon]], an American 37&nbsp;mm automatic gun
* M4 [[Selectable Lightweight Attack Munition]] (SLAM), an American land mine
* [[M4 SLBM]], a French submarine-launched ballistic missile from 1985
* [[M4 Survival Rifle]], an American rifle in aircraft survival gear
* [[Spectre M4]], an Italian submachine gun
* [[M4 bayonet]], an American World War II bayonet used for the M1 Carbine
* [[Gross-Basenach#M_IV|Gross-Basenach ''M IV'']], a pre-WWI German military semi-rigid airship

=== Aircraft, ships, and vehicles ===

* {{ship|HSwMS|Carlskrona|M04}}, a 1980 Swedish Navy minelayer, later redesignated as ocean patrol vessel ''P04''
* {{ship|HSwMS|M4}}, a [[List of mine warfare vessels of the Swedish Navy|Swedish Navy mine sweeper]]
* {{ship|HMS|Roberts|1915}} (M4), a First World War British Royal Navy monitor
* {{ship|HMS|M4|1919}}, a British M-class submarine
* [[M4 tractor]], a U.S. Army artillery tractor from 1943
* [[Myasishchev M-4]], a 1950s Soviet strategic bomber aircraft
* Meusel ''M-IV'', a German glider; see [[List of German gliders]]

=== Other uses in military ===

* [[M4 flame fuel thickening compound]], a substance used in fire bombs and incendiary weapons
* [[M4 (German Navy 4-rotor Enigma)]], a variant of the Enigma cryptography machine
* M04, desert variant of [[M05]], a camouflage pattern used by the Finnish Defence Forces

== Science and technology ==

=== Biology, medicine and organic chemistry ===

* [[ATC code M04]], ''Antigout preparations'', a subgroup of the Anatomical Therapeutic Chemical Classification System
* [[British NVC community M4]], a type of mire plant community in the British National Vegetation Classification system
* M4, the FAB classification of [[acute myelomonocytic leukemia]]
* [[Muscarinic acetylcholine receptor M4|Muscarinic acetylcholine receptor M<sub>4</sub>]], a protein

=== Computing and electronics ===

* [[Apple M4]], a central processing unit in the Apple M series
* [[m4 (computer language)]], a macro processing language
* M4, part number for a [[1N400x general purpose diode]]
* [[Sony Xperia M4 Aqua]], a mobile phone
* [[ARM Cortex-M#Cortex-M4]], a processor family

=== Other uses in science and technology ===

* [[Messier 4]] (M4), a globular cluster in the Scorpius constellation of stars
* [[Leica M4]], a 1967 35&nbsp;mm camera
* M4, an  [[ISO metric screw thread]]
* [[Foton-M No.4]], a Russian microgravity and bioscience research spacecraft launched in July 2014

== Transportation ==

=== Air ===

* [[Covington Municipal Airport (Tennessee)]], FAA location identifier M04
* [[Maule M-4]], a 1960 American four-seat cabin monoplane aircraft
* [[Miles M.4 Merlin]], a 1930s British five-seat cabin monoplane aircraft

=== Rail ===

* [[Bucharest Metro Line M4]], Romania
* [[Line 4 (Budapest Metro)]], Metro 4 or M4, Hungary
* [[M4 (Copenhagen)]], a future expansion of the Copenhagen Metro, Denmark
* [[M4 (Istanbul Metro)]], a subway line on the Asian side of Istanbul, Turkey
* M4, variant of the [[M2/M4/M6 (railcar)|M2]], an American electric multiple unit on the Metro-North Railroad
* M4, an American rapid transit car on the [[Market–Frankford Line]]
* [[Milan Metro Line 4]], rapid transit line in Milan, Italy
* [[Sri Lanka Railways M4]], a class of diesel-electric locomotive
* [[M4 (Warsaw)]], proposed subway line in Warsaw, Poland

=== Road ===

* [[BMW M4]], a car
* M4 [[Vacamatic]], a 1941 semi-automatic transmission made by Chrysler
* M4, a bus route of [[Fifth and Madison Avenues Line]], New York City, U.S.
* [[Mid-engine, four-wheel-drive layout]], or M4 layout, an automotive design
* [[List of M4 roads]]

== Other uses ==

* [[Héctor David Delgado Santiago]] (1975–2013, alias El Metro 4, sometimes M4), Mexican drug lord
* M4,  a measure of [[money supply]]
* M4-, M4+ and M4x, disciplines in men's [[Glossary of rowing terms|rowing]]
* [[MLBB M4 World Championship]], the fourth esports world championship for the mobile game [[Mobile Legends: Bang Bang]] held in 2023
* M4, a difficulty grade in [[mixed climbing]]

== See also ==
{{canned search|m4|m-4}}
* {{in title}}
* {{look from}}
* [[MIV (disambiguation)]]
* [[4M (disambiguation)]]

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