Hard rock
Well-Known Member
You will get max vel out of H4350 H4831 Rl19 burn rate at 100 percent case fill from the 2506 with the 90 gr absolute your leaving around 250 too 300 fps on the table with your present load work up too pressure and back off .5 too 1 gr be carefulI think I'm going to experiment with some slower powders.