Lead & Steel AR-15 5.56mm Threaded AR Barrel

Lead & Steel AR-15 5.56mm Threaded AR Barrel Overview - Material: 4150 Chrome-Moly Vanadium Steel - Finish: Nitride - Caliber: 5.56mm - Threads: 1/2x28 - Weight (bare barrel): 1.15 lb - Features: Dimpled barrel for gas block alignment, fully stress-relieved, 11 target crowned, nitride finish, gas ported (conservatively) - Compatible with AR-15 platforms Notes - For reliability with all ammo types, pair with a standard carbine buffer and spring and use magazines with full power M193/M855 when using steel-cased ammo; after a brief break-in, steel-cased ammo can be used without issue. - Barrel lengths available in the product line include variants such as 7.5 in, 11.5 in, 12.5 in, 13.9 in, 14.5 in, 16 in, 18 in, and others; several configurations use different gas system lengths (pistol, carbine, mid-length, rifle). Package Contents - Lead & Steel AR-15 5.56mm Threaded AR Barrel Compatibility - Designed for AR-15 platforms; compatible with standard AR-15 components and upper assemblies.