The data for this round is based off of really low pressures, what are some of the hottest rounds you guys have loaded. I have gotten up to 57 grains of IMR 4350 with a 145gr bullet, but this is way beyond anything I have seen published. At this pressure I see about 1 in every 10 shots create a sticky bolt. Slightly flat primers, and polished marks on the brass against the bolt face are present. I'm still nervous about this round.