The original M1911 as produced by Colt and government arsenals for WWI and interwar service. Predates the A1 improvements of 1926 including the arched mainspring housing and revised grip safety. Type: Pistol Action: Semi-Automatic Caliber: .45 ACP Capacity: 7 Year introduced: 1911, USA Weight: 280 oz Overall length: 8.5" Status: Discontinued Military use: Yes Intended use: Service, Military