OK, so I bought a whole case (900 rounds) of CZ surplus yellow tipped 7.62X54R ammo dated 1952. Usually, it goes bang when the trigger is pulled. I think it set me back maybe $60 with shipping. Any way, I wanted a lighter load to plink with and hit on the following idea. I bought one of those Lee Group Moulds a while back that casts a 118-120 grain bullet. Since it drops 6 little gems at a time I've got a buttload of the little buggers all lubed and ready to go. In my BLR they work splendiferously so I figured (here I go again thinking) why not use thme in some of that CZ surp? I just pull the slug, catch the powder, add some RL7 or 2400, seat the new bullet and have at it. Sound reasonable to you guys? Any clue as to how much RL7 or 2400 to use? I would imagine that with 2400 I could use maybe 24 grains or so without a problem, certainly I could use 18 grains. I'm not too sure where to start with RL7 though. Any ideas? I know I'm going to have to resize the slugs. I was thinking that running them through a .312 die would do the trick. They are at .314 right now. The old MN I've got slugs at .311 so maybe .314 would work fine as it is. Whada think?