if you are looking to permanantly raise your sight pictiure, get a 1/4 inch leather lace on cheek pad from cabelas. it looks nice, qnjd then youcan trust your stock weld and not worry anout the the barrel at all. get your stock weld, cover with bead, let 'er rip. worked great on my 12 that shot low.
a lot of people complain that the lace ons slip forward on the stock, and they will, but you can solve it easy by running a length of rawhide from the pad back around the buttstock. no more slip. looks nice, and you don't feel it.