In my experience it also seems cartridges of more reasonable speed seem to be easier to tune vs ones pushing MV. I have 3 factory bolt action hunting rifles pushing heavy for caliber bullets from 2700-2950fps all <.5moa. 1) Rem 700 police .223(77grOTM) 2) Rem 700 LVSF 7mm-08(140grNBT) 3) Seekins...