I'd personally recommend the BERGER a hundred and fifteen or a hundred and fifty GRAIN FB TGT bullet. Much less recoil for that little diameter scoring rings at those yardages. Might help a whole lot along with your rating. I've shot many of Randy's light 118gr. .308s within a Earn. https://308-bullets-reloading27144.blogoxo.com/37218704/new-step-by-step-map-for-308-bullets-reloading