If I were back in the 7/08 game, I'd run 140 ABs w/IMR4064 or Varget. The IMR showed a tad better consistency in my experience, both produced very good speed and accuracy. RL17 may be the upcoming powder but not sure what bullet wts. respond best. Also, would use WW brass partial sized in my chamber via Redding dies. RCBS or Forester would be fine also.
Lastly, the 120 BT is raved alot, but I'd opt for a 120 TTSX or maybe even the 110. Recoil with these lighter bullets makes it feel more like a 260.
