The Rail Gun is Colt's standard production railed 1911, featuring an M1913 Picatinny rail integral to the frame, night sight cuts, Series 80 firing pin safety, and a stainless barrel. The classic tactical 1911 from the original manufacturer. Type: Pistol Action: Semi-Automatic Caliber: .45 ACP Capacity: 7 Year introduced: 2011, USA Weight: 40 oz Overall length: 8.625" Status: Active Intended use: Tactical, Duty, Service