Classic .45 ACP 1911 for USPSA Single Stack major. 5-inch match barrel, adjustable target sights, and competition trigger. The traditional USPSA Single Stack pistol. Type: Pistol Action: Semi-Automatic Caliber: .45 ACP Capacity: 7 Year introduced: 2011, USA Weight: 41 oz Overall length: 8.6" Status: Active Intended use: Competition, USPSA