The ERGO original black SUREGRIP is an ergonomically designed pistol grip that fits all AR10 and .308 Large Frame rifles. This Black ambidextrous pistol grip features the SUREGRIP texture.Features:- Ergonomically correct finger grooves- Ambidextrous (works for right & left handed shooters)- Integrated rear upper extension supports the web of your hand- Superior textured finish improves weapon control- Includes ERGO 4012 Spacer to fill the rear upper void- Virtually impervious to oils and solvents- SUREGRIP texture features an overmolded rubber-like surface for a more positive grip- Made in the USASpecifications:- Fits: All AR10 and .308 Large Frame Rifles- Color: Black- Ambidextrous