The XTECH Tactical Adjustable Tactical Grip (ATG) will take your airsoft game to new heights. This innovative pistol grip provides a superior level of comfort from all shooting positions, and its rugged design is built to take a beating without compromising its functionality and effectiveness. The Adjustable Tactical Grip is crafted for compatibility with most airsoft M4 GBBR rifles lower receivers. Mounting this upgraded piece of rifle furniture couldn't be more easy. Simply remove the mounting screw inside the standard pistol grip of your AR-15 platform, place the ATG receiver mount in place and seat the pistol grip at the desired angle of 17, 25, or 33 degrees, then snuggly tighten the hardware in place for a comfortable and rock-solid grip. The stippling on the non-slip grip ensures a firm and reliable handhold in even the most trying environments and hardcore engagements. Whether you are shooting long range targets from the prone, shooting and moving during CQB operations, or providing cover fire from the kneeling, the outstanding Adjustable Tactical Grip can handle any situation you may find yourself in. A word to the wise when mounting the ATG's custom receiver mount: be sure to retain all the rifle's internals and also check that your selector switch functions properly once mounting is complete.