These ATI Grips features a material that absorbs the initial shock wave which is the felt punch of the recoil. This increases the shooter's comfort while reducing the muzzle lift. X1 Recoil Reducing Pistol Grip Ergonomic Design Great for Shooters of All Hand Sizes Sure-Grip Texture for Increased Control Built-In X Series Recoil Absorbing Backstrap Reduces Muzzle Lift Eliminates the Felt Punch of the Recoil Not Affected by Chemicals or Extreme Temperatures Easy Installation Uses Original Mounting Hardware Scratchproof & Weatherproof DuPontA(R) Extreme Temperature Glass Reinforced Polymer Limit Mfg: Advanced Technology