Qusetion for you 38-55 shooters.I have a 38-55 with a 1in 18 twist. i would like to start shooting black powder with a heaver boolit say 300/330 grains.what twist would you put on the rifle i have that would shoot with theses boolit weights? im shooting a 250 grain now but really need a new mold so your thoughts will be helpfull. would like to stay with a 28/30in barrel. thinks bill