The Kick Eez Recoil Pad Prefit KZ108 Browning BAR, Gold Auto, Ruger M77, Number 1, Red Label is made of Sorbothane, one of the top shock absorbing materials available. Installing this recoil pad will make shooting more comfortable and reduce flinching, resulting in better accuracy and quicker follow-up shots. Grinding Kick Eez pre-fit pads works best with a disc or belt sander. Install the new pad on your stock and scribe a pencil line around the stock, then remove the pad. Start with 80 or 100 grit sand paper. Patience is the key; make several passes to reduce heat buildup. Finish sanding your pad with 220 or 400 grit sand paper. Radius the edges of the pad with 220 grit or a scotch brite pad.Note: Many stock manufacturers modify their stock dimensions yearly, and in response Kick Eez have created templates to assist you in matching your gun stock butt to the correct KICK-EEZ Pre-Fit Pad. To ensure a proper fit, be sure to check the template located in the Instillation PDF below.Fe...