The Officer ACP is Colt's compact 1911 variant with a 3.5-inch barrel and shortened frame that reduces overall length to just 7.25 inches. Designed for plainclothes carry, it accepts 6-round flush magazines and has a reduced grip-to-backstrap dimension. Type: Pistol Action: Semi-Automatic Caliber: .45 ACP Capacity: 6 Year introduced: 1985, USA Weight: 24 oz Overall length: 7.25" Status: Discontinued Intended use: Carry, Duty