The Springfield Armory Range Officer in .45 ACP is a full-size 1911 built for range and competition use. Adjustable target sights, match barrel and bushing, and a tuned single-action trigger make it a capable USPSA Single Stack Major competitor at a realistic price. Type: Semi-Auto Pistol Action: SA Caliber: .45 ACP Capacity: 8 Year introduced: 2011, USA Weight: 40 oz Overall length: 8.6" Status: Active Intended use: Competition, Target, USPSA