DPMS M4, Semi-automatic, AR, .223 Remington/5.56 NATO, 16" Threaded Barrel, 1/2X28 Thread Pitch, Anodized Finish, Black, A2 Pistol Grip, M4 Collapsible Stock, MBUS Rear Sight, Front Sight Gas Block, 30 Rounds, 1 Magazine DP51655109559