The Sims Limbsaver AirTech Recoil Pads atmospheric chambers produce a substantial increase in performance through uniform energy dissipation. These recoil pads optimize internal pressure distribution for a 35% increase in protection due to uniform energy dissipation. Made of all-weather, nonslip Navcom material to reduce noise and vibration. It also reduce muzzle jump for faster target reacquisition. Easy to install. Cancer and Reproductive Harm- www.P65Warnings.ca.gov. Type: Recoil Pads.