Ruger announced a new piston-driven AR-15 rifle: the Ruger SR-556. The SR-556 has a host of quality features, the most significant of which is the two-stage piston system.
The SR-556 features a hammer forged, chrome-lined barrel, and is chambered for 5.56 ammunition (and will shoot .223 also). A The barrel is just over 16″, and has a 1:9 twist, helping to ensure the stabilization of heavier bullets. This gun comes with three 30 Round magazines and one 5 Round magazine. This gun is new in the box and has never been fired.
The SR-556 features a hammer forged, chrome-lined barrel, and is chambered for 5.56 ammunition (and will shoot .223 also). A The barrel is just over 16″, and has a 1:9 twist, helping to ensure the stabilization of heavier bullets. This gun comes with three 30 Round magazines and one 5 Round magazine. This gun is new in the box and has never been fired.
