The original ERGO Grip, developed by Steve Hines, was the first truly ergonomic, shooter focused grip for AR platform rifles. Designed for performance by creating a better interface between the shooter and firearm, the ERGO grip is still the standard by which positive grip and shooter comfort are measured. The ERGO Sure Grip features an aggressive texture for improved weapon control. The ERGO Grip also comes with the patented Gapper for increased comfort and grip screw for easy installation. Mounting hardware not included. The "Gapper" fills the gap between the trigger guard and the pistol grip on the AR/M4 and cushions your knuckle, prevents abrasion to your finger and provides a more finished look to your rifle. The Gapper is made from solvent resistant Santoprene, clips in easily, and secures with a tight friction fit.FeaturesErgonomically correct finger grooves Integrated rear upper extension supports the web of your hand Superior Rhino Hide texture improves weapon con...