STANDARD .243:
22" bbl, Savage sporter @ 100 yds.
Blc2, 40g mild load at 3200fps = .540", 2.650col
aa2700, 49g, 3746fps, 2.680" col =.670"
45g w760, 2.650" col, .710"
Ive not loaded any other powders and have settled on the 55g NBT for my varmint/coyote load.
The above shoots the same in may pals 26" .243AI though.
He has been testing RL7 (I think, could be r15), H335, imr4350, w760, h414, blc2, Varget with great small groups, but his is also a target rig.