Caliber: 45 ACP. Capacity: 7-round magazine. Barrel: 4.25” or 5”. Weight: 39 oz. Length: 8.5” overall. Grips: Brown checkered plastic with medallion. Sights: Blade front, rear drift-adjustable for windage. Features: Same specs as 1911A1 military guns-parts interchangeable. Frame and slide blued; each radius has non-glare finish. Intro-duced 2002. Made in USA by Kahr Arms. Values are for the 1911BKO Parkerized with plastic grips; add 10% for 1911BKOCW Black matte finish wood grips Commander; add 54% for stainless steel finish, G10 grips, cut slide; add 60% for 1911GCH Case hardened finish, wood grips.