TacStar"s shotgun grips are designed with the proper width, rearward angle and back swell to distribute recoil energy evenly into both hands resulting in greater speed, accuracy and control when shooting. Injection-molded from high-impact ABS polymer, Tactical shotgun grips include all the necessary hardware for quick and easy installation and require no alterations to the shotgun.This Tac-Star model is specifically designed for the Remington 870.