Well, since that last test I'm settled on a load for the long gun.
The 20"er I'm still struggling with. I shot some spectacular, 1-hole groups with 100gn Amax over 45gn of Varget, but no matter the powder (7828, 4064, 4895, Varget & RL19) I simply can't get 140gn Accubonds to group at all. I'm...