The Wilson Combat Pistol Grip has been optimized for control and comfort from any tactical shooting position. The rugged fiber-reinforced polymer is oil, water, and solvent resistant and the exclusive Wilson Combat TRAK grip texture gives you a highly tactile, yet non-abrasive grip in all conditions. This easy-to-install, top-quality grip will enhance the handling and appearance of your AR. FeaturesMade of a high-quality fiber-reinforced polymer compound with a hand-filling backstrap and ergonomic grip angleHighly durable and precision molded to give a tight, snug fitBattery storage tube (removable) in grip compartment4" from trigger spring hole to bottom of grip