F.A.B. Defense AGR-43, Pistol Grip, Rubberized And ERGOnomic, Fits AR Rifles, FDE FX-AGR43T The AGR-43 is constructed from MIL-SPEC reinforced polymer composite with multi-textured rubber overmold. It has three different rubber textures; rib studded at palm" alligator pattern for front fingers and moon surface textured sides.