Limbsaver's Grind-To-Fit Recoil Pads are will reduce up to 70% of felt recoil and dramatically reduce muzzle-jump. That means that you will have greater comfort while shooting and will be able to keep shooting longer without the pain and bruising you're accustomed to.Grind-to-Fit recoil pads offer the greatest customization of any LimbSaver recoil pad. They are designed to be perfectly tailored to fit your stock using a belt grinder. Limbsaver's recommend that professional shops modify and install these pads. *Speed Mount- Med/Plus 1" thick LOP.