Originally Posted by Huntr
I have settled on 50.0 grs of H4350 with any 140gr bullet.


+1

It shoots 139 grain Hornady's and 140 NBT's out of my MKII into less than 1/2 inch, 5 shot groups.

Nothing is fool proof for a sufficiently talented fool !!

"Keep your booger hook off the bang switch until your sights are on the target".