Yeah, I could never figure the use of the two bars with points on end. Years ago I had a fine, fine machinist at the refinery where I was working at the time make a single bar (actually two) of OD equal to the average OD of a number of Leuplod scopes I owned at the time. With care and a touch of 1200 grit lapping compound I can get the rings set dead nutz. Once there, a final minor lap job and all is good. He also helped me out on a number of other what would have been high dollar fixes on a couple of cars. He was from Argentina and old school learned. If I could draw it properly he could nail it, quickly too.