Type	Semi-automatic pistol
Place of origin	United States

Service history

In service	1911–present
Wars	As standard U.S. service pistol: World War I Banana Wars World War II Korean War Vietnam War In non-US standard use: Chaco war Indonesian National Revolution Algerian War Laotian Civil War Bay of Pigs Invasion Rhodesian Bush War Cambodian Civil War Cambodian–Vietnamese War Sino-Vietnamese War Falklands War Gulf War War in Afghanistan Iraq War Syrian Civil War

Production history

Designer	John Browning
Designed	1911 and 1924 (A1)
Manufacturer	Colt Manufacturing Company
Produced	1911–present
No. built	Over 2.7 million

Specifications

Mass	39 oz (1,100 g) empty, with magazine[
Length	8.25 in (210 mm)[
Barrel length	Government model: 5.03 in (127 mm) Commander model: 4.25 in (108 mm) Officer’s ACP model: 3.5 in (89 mm)
Cartridge	.45 ACP
Action	Short recoil operation
Muzzle velocity	830 ft/s (253 m/s)[
Feed system	7 round standard detachable box magazine[