The TacStar Shotgun Grips were 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 a high-impact ABS polymer” Tactical Shotgun Grip Sets include all the necessary hardware for quick and easy installation and require no alterations to the shotgun. 12 Gauge only. Fits Mossberg 500″ 590″ 600 and Maverick. Rear grip only.