58 grains h4831, and any decent 130, 140 grain bullet. In my order of preference, Nosler Partition, Hornady Interlock, Ballistic Tip, Sierra Game King.
Hodgdon H4350 will work if you have that, and about umpteen other powders, but the above are my favorites based on a significant track record.
58 gr H4831SC and 130-140 gr accubond, sierra gameking, gave under an 1" at 100 yds in 2 270s
Shod
