30 grains of IMR 4198, RL 7, RL 10, H 322, IMR 3031
25 grains of SR 4759 or IMR 4227
MV will vary between 2250 fps and 2400 fps depending on powder choice.. and barrel length..
Originally Posted By Rauncho_Bozo:
I run rigs harder than you can ever dream of, and have NEVER needed to replace valve cover gaskets as a routine maintenance item. Even under severe duty schedules.. Nor has ANYONE I've ever known.