Description Ruger AR-556 Model 8500 The Ruger AR-556 Model 8500 semi-automatic, M4-style, direct impingement Modern Sporting Rifle offers consumers an affordable, American-made Modern Sporting Rifle with the rugged reliability they have come to expect from Ruger. Extensively tested during its development, the AR-556 is constructed from top-quality components, including forged 7075-T6 aluminum upper and lower receivers and a cold hammer-forged chrome-moly steel barrel with M4 feed ramp cuts. Ruger, AR-556, Semi-Automatic Rifle, 5.56 NATO/223 Rem, 16.1″ Barrel, 1/2″ x 28 Thread Pitch, Anodized Finish, Black Collapsible Stock, Adjustable Flip-Up Rear & Adjustable Post Front Sight, 30 Rnd, 1 Magazine
