SIG Sauer traditional 1911 in .45 ACP with stainless steel frame, match-grade barrel, and dovetail night sights. Type: Pistol Action: Semi-Automatic Caliber: .45 ACP Capacity: 8 Year introduced: 2004, USA Weight: 41.6 oz Overall length: 8.7" Status: Active Intended use: Service, Duty, Competition, Collector