I have a Diana Model 34 that is need of a new breech seal, I have heard to sand some material off the O.D or take some off the back of the seal, which way is best and how far should the new seal protrude from the the breech face ?
Hello all, new member here , long time lurker, finally decided to join, I have been into break barrel air rifles off and on for over twenty years, just really getting back after a couple of years away.