The original 1911 — John Browning's design in continuous production. The definitive reference for all 1911-platform pistols. Type: Pistol Action: Semi-Automatic Caliber: .45 ACP Capacity: 7 Year introduced: 1911, USA Weight: 38.5 oz Overall length: 8.5" Status: Active Military use: Yes Intended use: military, duty, service, historical