This AR-15, M16A2 standard Mil-Spec A2 pistol grip comes with a grip screw and lock washer for fast and easy installation on your AR rifle. The A2 pistol grip is made from a black high-density impact-resistant polymer for strength and durability. This pistol grip is perfect for AR-15 builders or to replace a broken pistol grip part. Included parts 1 A2 style grip in black, 1 steel grip screw, and 1 lock washer. The grip is approximately 4 inches long overall. It canThis A2 grip can be installed on just about any AR lower receiver compatible with Mil-Spec AR-15 pistol grips, such as M4, AR-15, AR10, LR308, M16A2, M16A3, M16A4, M4A1, Ruger® AR-556, Smith & Wesson M&P®15 etc.