RE: .300 weatherby Mag loads needed!!!
I, am using IMR 7828[ 83.5gr] of powder, Fed 215 primers ,180gr accubond I am also seating the bullet so it just clears the magazine.This load shoots 1/2" 3 shot groop at a 100 yards. My son shoot a 240lb- 10pt buck last week ,at 140 yards and this load and it, slamed it.