Automatic Colt Pistol

Automatic Colt Pistol (ACP) denotes various John Moses Browning cartridge designs primarily used in Colt and Fabrique Nationale de Herstal semi-automatic pistols.

The Colt Model 1903 Pocket Hammer was manufactured for the same .38 ACP cartridge from 1902 to 1928.

The M1905 military pistol was manufactured for the .45 ACP cartridge from 1905 to 1912.

The M1905 was replaced by the military M1911 pistol which remained in production until 1970.

The Colt Model 1908 Vest Pocket pistol was manufactured for the .25 ACP from 1908 to 1941.