I have a Pachmayr Decelerator pre-fit recoil pad for sale. It is model # 01708 for a walnut stocked Mossberg 500. It looks brand new. $20 shipped. Would also trade for a primos tightwad for a 20 ga. Mossberg 500.
(http://i1258.photobucket.com/albums/ii522/extremesoloshooter7/photo1-2.jpg) (http://s1258.photobucket.com/user/extremesoloshooter7/media/photo1-2.jpg.html)
(http://i1258.photobucket.com/albums/ii522/extremesoloshooter7/photo2.jpg) (http://s1258.photobucket.com/user/extremesoloshooter7/media/photo2.jpg.html)