This Tactical Snap-on Recoil Pad from Limbsaver is designed to fit most A15/M16 Tactical Stocks It reduces felt recoil up to 50% and at the same time controls muzzle jump. The non-slip texture of its NAVCOM material (”noise and vibration control material”), and snag-free design keeps your rifle snugly in place on your shoulder for increased comfort and improved accuracy. Adds .75” (3/4”) to the length of pull of the rifle.