I run mostly H4350 in my 260's. 45g with a 130 AB is hot but shoots great. 43.5 with 140's. I just tried 46g with 123 Amax's and they clocked over 3000 but aren't grouping the best. I need to play around with the 123 some more but since my gun likes the 140 Amax I should probably just stick with it. I've also had decent luck with H414 and Hunter in the 260.

Bb