TB: I really can't take any credit for Tom's (Accurate Molds) excellent mold. I just tweaked his 38-250B to work in my generously sized Cowboy bore. Just order that mold with the size you want it to drop using the alloy you plan to use for that rifle. Since all of his molds are "custom" you can make adjustments like bearing surface ahead of the crimp groove, lube groove depth/width/number, meplat, ogive, plainbase/gas check, etc...
It is fun, I bet the CB is up to the task if you are. :biggrin:Ive been very tempted to swap the scope out on my CB for a long range mil dot I have on a shelf. Sure would like to stretch the wet dog out a bit with some glass on it. See if it won't give a couple bolt guns a run for the money before I put the vernier on it. Wouldn't that be fun.