American Tactical Alpha-15 - Semi-automatic Rifle - 223 Remington/556NATO - 16" Pencil Profile Barrel - 1:8 Twist - Matte Finish - Black - Polymer Grip - Collapsible Stock - Front/Rear Flip Up Sights - 8" Mlok Rail - Nano Composite Trigger kit - Carbon Fiber Infused Buffer Tube - 60 Rounds - 1 Magazine ATIGALP556M860