My .260 has shot 142g SMK's, 130g Berger Hunting, and the 140g Berger Hybrid, all with H4350. All were easily under .5 MOA. And the 130g Bergers performed very well on 4 different Wyoming antelope
last year, from 180 yards out to 575. So I don't think you can go wrong with the 130g Bergers, although I'm currently preferring the 140g Hybrids and can't wait to see how they perform on a few antelope next year.