- Cold Hammer-Forged Barrel
- Shot Peened and Pressure (proof) Tested Bolt
- Type III Hard Coat Anodized
The Ruger AR-556 is an affordable, American-made modern sporting rifle with the rugged reliability that you have come to expect from Ruger. The cold hammer-forged 4140 chrome-moly steel barrel with ultra-precise rifling provides exceptional accuracy, longevity and easy cleaning.