The ATI AR-15 scorpion recoil pistol grip features a material that absorbs the initial shock wave which is the felt punch of the recoil. The AR-15 scorpion pistol grip increases the shooter"s comfort while reducing the muzzle lift. Scorpion recoil pistol grip allows recoil impact to be absorbed - shooting any load size can now be done with no pain being transferred to the shooter thus reduces the challenge to reacquire the target by minimizing the muzzle lift and eliminates the felt punch of the recoil. Removes limitations from spring and piston type recoil suppression systems. Not affected by chemicals, load size or extreme temperatures. Ergonomic design sure grip texture. Easy installation, Virtually indestructible. Includes steel t-Nut and steel bolt. Made from Dupont Extreme temperature glass reinforced polymer. Fits Most AR-15 and AR Variants