I am running 80gr Amax at 3320. I'm still fireforming and best groups are under 1/2 at 100yds. My rifle is a custom build, Stoll Kodiak action, Krieger 1in8 twist barrel, Jewel trigger(set at 2lbs, I use this as a hunting rig) and a Nightforce 12-42x56 scope. This round is hell on yotes. My...