Problems with an existing grip on your AR? The Windham Weaponry A2 Pistol Grip Kit is the easy and complete solution. This standard A2 Black Pistol Grip features checkered side panels, forward finger ridge and serrated back strap. They are molded from a Nylon 6/6 resin enhanced to improve toughness, impact resistance and heat stability. The Grip mounts easily onto the Lower Receiver with the new black phosphated Allen head pistol grip screw and external tooth lock washer supplied. Use a long 3/16″ Allen wrench for installation.