The Advanced Technology Int. AR-15 X1 Recoil Reducing Pistol Grip fits most AR-15 and AR Variants. The ATI X1 Recoil Reducing Pistol Grip features a material that absorbs the initial shock wave which is the felt punch of the recoil. This increases the shooter's comfort while reducing the muzzle lift. Its ergonomic design is great for shooters of all hand sizes and the Sure-Grip Texture provides increased control. Made in USA.