Ergo Grip Original SUREGRIP, Fits AR-15/M16, SureGrip, Aggressive Texture, Rubber, Black 4009-BK The Original ERGO SUREGRIP AR Grip Kit A/T (aggressive texture) is ergonomically designed to fit all AR-15/M16 rifles. SUREGRIP models feature an overmolded rubber-like surface for a more positive grip and are designed to help prevent fatigue and enhance weapon control. Each ERGO Grip comes with their patented GAPPER and uses existing grip hardware for installation.