Hogue OverMolded Rifle Grip, Beavertail, Finger Grooves, Fits AR Rifles, Slate Gray 15022 Hogue's Overmolded Rubber Pistol Grip features the signature Cobblestone pattern for an efficient" non-slip grip. It is constructed from thermoplastic elastomer that is grippy" long-lasting and impervious to oils and solvents. Fits AR-15 pattern rifles.