The Ruger AR-556 is a high quality 5.56NATO/223REM sporting rifle from a recognizable and trusted American manufacturer without the frills of more expensive offerings. This rifle has everything you need in a modern sporting rifle. The AR-556 uses 7075-T6 aluminum forgings for the upper and lower receivers, a shot peened and proof-tested steel bolt and 8620 steel bolt carrier as well as an M4 feed ramp for reliability and durability. This direct impingement rifle uses a carbine length gas system with an adjustable A2 style front post integrated into the gas block and an Adjustable Ruger Rapid Deploy sight to the rear. A picatinny rail on the upper receiver allows for the mounting of the optic of your choice. The AR-556 comes with a medium contour cold hammer forged, threaded 16.1” barrel with a 1:8 twist and Ruger flash hider. Out back, a six position adjustable M4 style butt stock allows for the correct fit to your body type. One 30 round magazine included.