Hodgdon has a PDF on their site with complete instructions on loading Trail Boss...its really easy. Fill it up without compressing it...thats your max load.
70% of that is your starting load.
Even at max it doesn't generate more than about 20Kpsi, and its so bulky that 8.4 grains fills a 223 case...no filler necessary.
Just tried it at 100 yds...good enough accuracy M.O.B.H. ( Minute Of Bunny Head)
