Rock Island Armory's flagship GI-spec 1911 in .45 ACP with a 5-inch barrel. Built to military specifications with parkerized finish, GI sights, and a no-frills utilitarian design at a budget price point. Type: Pistol Action: Semi-Automatic Caliber: .45 ACP Capacity: 8 Year introduced: 1985, Philippines Weight: 38.5 oz Overall length: 8.5" Status: Active Intended use: Service / Home Defense