

Navy.ĭesigned by John Browning, the M1911 is the best-known of his designs to use the short recoil principle in its basic design. Modernized derivative variants of the M1911 are still in use by some units of the U.S. sidearm in October 1986, but due to its popularity among users, it has not been completely phased out. The M1911 was replaced by the 9 mmBeretta M9 pistol as the standard U.S. procured around 2.7 million M1911 and M1911A1 pistols in military contracts during its service life. 45, Automatic, M1911A1 in the Vietnam War era. The designation changed to Pistol, Caliber.

45, M1911 for the original model of 1911 or Automatic Pistol, Caliber. The pistol's formal designation as of 1940 was Automatic Pistol, Caliber. It was widely used in World War I, World War II, the Korean War, and the Vietnam War. It served as the standard-issue sidearm for the United States Armed Forces from 1911 to 1986. The M1911, also known as the Colt Government or 'Government', is a single-action, semi-automatic, magazine-fed, recoil-operatedpistol chambered for the.

Cartridge.45 ACPActionShort recoil operationMuzzle velocity830 ft/s (253 m/s)Feed system7 round standard detachable box magazine
