The Auto-Ordnance 1911A1 series 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 for durability over many thousands of rounds. Models are available in .45 ACP and 9mm. Barrel lengths are offered in the original 5 and the Commander length 4.25. The low-profile sights feature a blade front sight and a rear drift adjustable for windage. The grip is brown checkered plastic with wood optional on 1911BKOW models. The 1911BKO is 100% made in the USA and ships with one 7-round .45 ACP (9-round for 9mm) magazine. The BKO has a thumb safety grip safety and firing pin block. 1911AI GI Specs matte black finish; Commander model .45 Cal. 4.25; barrel with wood grips featuring U.S. logo Shipped with one 7 round magazine – Caliber: .45 ACP – Barrel: 4.25 – Weight: 39 oz. – Length: 8.5 overall – Safeties: Thumb safety grip safety firing pin block – Sight: Blade front rear drift adjustable for windage – Grips: Wood grips with U.S. Logo – Magazine: One 7 round magazine – Warranty: 1 year