5.56 Barrels

Start your next AR15 556 barrel build with accurate and affordable AR 556 barrels from Bear Creek Arsenal. 5.56x45mm NATO is a fantastic caliber beloved for its ammo availability, effectiveness, and low recoil. Bear Creek Arsenal 5.56 NATO barrels are made in the North Carolina from the finest 4150 Chrome Moly Vanadium or 416R Stainless Steel providing maximum accuracy and reliability. Easily swap the barrel on your 5.56 rifle, pistol, or upper and further customize your build to fit your style and needs. Shop our growing selection of high quality barrels 556 available in various barrel lengths, finishes, and gas systems. Experience high performance backed by a limited lifetime warranty with Bear Creek Arsenal 5.56 rifle barrel!