The Universal Self-loading Carbine is the US civilian import version of the UMP45, featuring a thumbhole stock and 16-inch barrel to comply with 922(r) importation requirements. Type: Rifle Action: Semi-Automatic Caliber: .45 ACP Capacity: 10 Year introduced: 2000, Germany Weight: 182 oz Overall length: 35.5" Status: Discontinued Intended use: Sport, Collecting