The Ithaca Gun Company M1911A1 Ithaca Production is a usa-made semi-automatic pistol chambered in .45 ACP, introduced in 1943. Primary use: self_defense, sport. Type: Pistol Action: Semi-Automatic Caliber: .45 ACP Capacity: 8 Year introduced: 1943, USA Weight: 30 oz Overall length: 8.5" Status: Discontinued Military use: Yes Intended use: self_defense, sport