Editing M1911 pistol (section)

{{Short description|Semi-automatic pistol}}
{{Use American English |date=June 2025}}
{{Use mdy dates |date=June 2025}}
{{Infobox weapon
| image              = M1911 and M1911A1 pistols.JPG
| image_size         = 300
| caption            = M1911 and a M1911A1, both manufactured by Colt
| name               = Automatic Pistol, Caliber .45, M1911
| origin             = United States
| type               = [[Semi-automatic pistol]]
| is_ranged          = yes
| service            = 1911–present
| used_by            = See ''[[#Users|Users]]''
| wars               = As standard U.S. [[service pistol]]:{{plainlist|
*[[World War I]]
*[[Banana Wars]]{{sfn|Thompson|2011a|p=38}}
*[[World War II]]
*[[Korean War]]
*[[Vietnam War]]}}
In non-US standard use:{{plainlist|
*[[Finnish Civil War]]
*[[Chaco War]]<ref name ='Chaco'>{{cite book|author=Alejandro de Quesada|title=The Chaco War 1932-35: South America's greatest modern conflict|url=https://books.google.com/books?id=dTm3CwAAQBAJ|date=20 November 2011|publisher=Osprey Publishing|isbn=978-1-84908-901-2|page=23|access-date=20 October 2018|archive-url=https://web.archive.org/web/20180705232859/https://books.google.fr/books/about/The_Chaco_War_1932_35.html?id=dTm3CwAAQBAJ|archive-date=5 July 2018|url-status=live}}</ref>
*[[Constitutionalist Revolution]]<ref>{{cite web|author=Douglas de Souza Aguiar Junior|url=https://armasonline.org/armas-on-line/o-museu-da-pm-de-sao-paulo/|title=O Museu de Polícia Militar de São Paulo|website=Armas On-Line|date=11 September 2022|language=pt-BR}}</ref><ref>{{cite web | url=https://www.americanrifleman.org/content/handguns-of-a-forgotten-ally/| title=Handguns Of A Forgotten Ally|first1=Douglas|last1=de Souza Aguiar, Jr. |first2=Luke|last2=Mercaldo|first3=Anthony|last3=Vanderlinden|date=16 May 2022|website=American Rifleman}}</ref>
*[[Chinese Civil War]]
*[[Spanish Civil War]]
*[[First Indochina War]]
*[[Indonesian National Revolution]]
*[[Algerian War]]<ref>{{cite magazine|language=fr|magazine=Gazette des Armes|issue=220|date=March 1992|title=L'armement français en A.F.N.|pages=12–16|url=http://fr.1001mags.com/parution/gazette-des-armes/numero-220-mars-1992/page-12-13-texte-integral|access-date=2018-10-08|archive-url=https://web.archive.org/web/20181008174853/http://fr.1001mags.com/parution/gazette-des-armes/numero-220-mars-1992/page-12-13-texte-integral|archive-date=2018-10-08|url-status=live}}</ref>
*[[Laotian Civil War]]
*[[Cuban Revolution]]
*[[Bay of Pigs Invasion]]<ref name="Pigs">{{cite book|title=The Bay of Pigs: Cuba 1961|series=Elite 166|first=Alejandro|last= de Quesada |date=10 Jan 2009|isbn=9781846033230 |publisher=Osprey Publishing|page=60}}</ref>
*[[The Troubles]]
*[[Basque conflict]]
*[[Rhodesian Bush War]]
*[[Cambodian Civil War]]
*[[Cambodian–Vietnamese War]]
*[[Sino-Vietnamese War]]
*[[Iran–Iraq War]]
*[[Falklands War]]{{sfn|Thompson|2011a|p=65}}
*[[Lebanese Civil War]]
*[[Salvadoran Civil War]]
*[[Gulf War]]
*[[War in Afghanistan (2001–present)|War in Afghanistan]]{{sfn|Thompson|2011a|pp=56-58}}
*[[Iraq War]]
*[[Syrian Civil War]]<ref>{{cite web | url=https://www.thehighroad.org/index.php?threads%2Fm1911-spotted-in-free-syrian-armys-arsenal.680588%2F | title=M1911 Spotted in Free Syrian Army's Arsenal | date=9 October 2012 | access-date=1 December 2024 | archive-date=20 November 2023 | archive-url=https://web.archive.org/web/20231120052255/https://www.thehighroad.org/index.php?threads/m1911-spotted-in-free-syrian-armys-arsenal.680588/ | url-status=live|website=The High Road}}{{self-published source|date=May 2025}}</ref>
*[[Russo-Ukrainian War]]
}}
| designer           = [[John Browning]]
| design_date        = {{plainlist|
* 1911 (Model 1911)<ref name="Manual" />
* 1924 (Model 1911A1) }}
| manufacturer       = [[Colt Manufacturing Company]], [[Smith & Wesson]], [[Norinco]], other companies
| unit_cost          = $26.38 (1938),<ref>{{Cite web|url=https://books.google.com/books?id=CFguAAAAMAAJ&pg=PA404|title = Second Deficiency Appropriation Bill for 1939|year = 1939}}</ref> equal to ${{Inflation|US|26.38|1938}} now
| production_date    = 1911–present
| variants           = {{plainlist|
*M1911A1<ref name="Manual" />
*M1911A2<ref name="AMU" />
*[[FN Grand Browning]]
*[[M15 pistol|RIA Officers]]
*[[Kongsberg Colt]]
*[[MEU(SOC) pistol]]}}
| number             = 2,734,345 (produced by Colt) <br />4,294,345 (total including licensed copies)<ref>{{cite book |last1=Kuhnhasen |first1=Jerry |title=The U.S. M1911 M1911A1 Pistols and Commercial M1911 Type Pistols: A Shop Manual |date=1997 |publisher=VSP Publishers |page=9}}</ref>
| part_length        = {{plainlist|
*Government model: 5.03 in (127 mm)<ref name="Manual" />
*Commander model: 4.25 in (108 mm)
*Officer model: 3.5 in (89 mm)}}
| cartridge          = [[.45 ACP]], [[.455 Webley]] Auto (British Contract), [[.38 Super]], [[9x19mm Parabellum]], [[7.65mm Parabellum]], [[9mm Steyr]], [[.400 Corbon]], others
| feed               = 7-, 8-, 9-, 10- or 12-round box magazines<ref>{{cite web |url=https://gunmagwarehouse.com/all-magazines/handguns/magazines-183/1911-magazines |title= 1911: Magazines}}</ref>
| action             = [[Recoil operation#Short recoil|Short recoil operation]]<ref name="Manual" />
| velocity           = {{convert|830|ft/s|0|abbr=on}}<ref name="Manual" />
| range              = {{convert|50|m|ft|abbr=on}}
| weight             = {{convert|39|oz|g|abbr=on|lk=on}} empty, with magazine<ref name="Manual" /><ref>FM 23-35, 1940</ref>
| length             = 8.5 in (216 mm)<ref name="Manual" />
}}

The '''Colt M1911''' (also known as '''1911''', '''Colt 1911''', '''Colt .45''', or '''Colt Government''' in the case of [[Colt's Manufacturing Company|Colt]]-produced models) is a [[single-action]], [[recoil-operated]], [[semi-automatic pistol]] chambered primarily for the [[.45 ACP]] [[cartridge (firearms)|cartridge]].<ref name="Manual">{{cite book |title=Pistol, Caliber .45, Automatic, M1911 Technical Manual TM 9-1005-211-34 1964 edition |publisher=Pentagon Publishing |orig-year=1964 |year=2018|isbn=978-1-60170-013-1}}</ref>