59.5 or 60 grains of IMR4350 hiding behind Nosler Accubonds, Partitions, or Ballistic tips.
Yes, both are a tad over book max. You should, as usual, start low and work up.
Another way is to decide what FPS you want to achieve...say 2950 FPS. Check the books, make 3 rounds, check the FPS. Then, if you have a throat long enough to mess around (Browning and older Rem 700's do) stretch the COAL until you are around .010 off the lands. Reducing the jump has some surprising impact on accuracy.
If long loner bullet causes your RUGER to become a one shot rifle, chamber one place a second in the magazine.