These are the two loads I’ve been working on this winter/spring for plains game and buffalo, respectively:
.30/06
200 grain Nosler Partitions, H4350, CCI primers, Nosler brass —> 3 shots into 0.44” at 2550 fps
.416 Rigby
400 grain Barnes TSX, Winchester StaBall 6.5, WLRP primers, Norma brass...