Diamondback Firearms DB15, Semi-automatic Modern Sporting Rifle, 223 Remington/556NATO, 16" Medium Profile Threaded Barrel, Carbine Length Gas System, 4150CrMov Black Nitride, 1:8RRH Twist Rate, 1/2X28 Thread Pitch, 15" M-LOK Hardguard, Hardcoat Anodized Finish, Magpul MOE Pistol Grip and Carbine Stock, A2 Flash Hider, 30 Rounds, 1 Magpul PMAG DBK1717K005