Windham Weaponry R16M4A4T - MPC - Semi-Auto Rifle - 223REM/556NATO - 16" M4 Profile Barrel - 1:9 Twist - A2 Flash Suppressor - Anodized Finish - Black Color - A4 Dual Aperture Detachable Carry Handle Rear Sight - A2 Post Front Sight - 6 Position Stock - 30 Rounds - 1 Magazine - BLEM (Gouge on Upper by Forward Assist) R16M4A4T