I shoot a 6 lb 12 gauge shotgun with 1 1/4 and 1 3/8 oz loads and use a 1" Old English Decelerator pad from Packmayr. They grind nicely, look good when finished , don't turn to goo , and absorb recoil well. They don't have a prefit pad for your gun but you can have a grind to fit pad put on.