Originally Posted by BountyHunter
What is the top 2 powders, loads, primer etc for this combo.
Seems like it might be Retumbo and H1000 and mag primers?
yes 91gr retumbo, and rem 9.5 m primers work verry well for me in my 300 rum.
also 96.5gr retumbo, but i;m at the maximum (very hot) - so i bac down at 91.