Description Ruger AR-556 chambered in 5.56 NATO/.223 Remington with a 16″ heavy contour, cold hammer forged, 1/8 twist barrel. Flat top upper receiver with carbine length front sight gas block and quad rail handguard. Railed carry handle with rear adjustable iron sight. Lower receiver features an enlarged trigger guard for shooting with gloves, single-stage trigger, rubber Hogue textured pistol grip, and Magpul stock on a five position buffer tube. Comes with one ten round C Products Defense metal magazine. Must Ship to FFL, Check local law for “Assault weapons” BEFORE placing a bid. Condition: Very good/Excellent with Scuffs and scratches from use and handling. Clean bore with strong riffling. Barrel Length: 16″ Serial: 851-08048 Manufacturer: RUGER Year: 2016 Caliber: 5.56x45mm NATO Model: AR-556