Auto Ordnance 1911-A1 GI Spec 45 Auto (ACP) 5in Matte Carbon Steel Pistol – 7+1 Rounds. The Auto-Ordnance 1911BKO frame incorporates GI specs, and features a matte black finished frame, barrel, and slide. The carbon steel slide, sear, and disconnector are machined from solid bar stock, then heat treated properly to assure durability and long life over many thousands of rounds. The low-profile sights feature a blade front sight and a rear drift adjustable for windage. The 1911BKO is 100% made in the USA, and has a thumb safety, grip safety, and firing pin block.