The Auto-Ordnance M1911A1 in .45 ACP with 5-inch barrel is a GI-specification reproduction of the U.S. military M1911A1 service pistol, built to original USGI dimensions and specifications. Auto-Ordnance produces the 1911A1 as a companion to its Thompson submachine gun line, both being iconic American WWII firearms. The GI-spec model retains the original low-profile sights and checkered walnut grips. Type: Semi-Auto Pistol Action: Short-Recoil Caliber: .45 ACP Capacity: 7 Year introduced: 1976, USA Weight: 39 oz Overall length: 8.25" Status: Active Military use: Yes Intended use: Collecting, Home Defense, Military Simulation