Texas Solo
B.S. High Master
I had the same 1/12 twist rifle. I could not get the lighter bullets to shoot well with any combination of powders. 168's with IMR4895 or Varget shot well enough to win 300yd comps.
I believe that the freebore in your chamber has an influence on the 155 gr bullets you can shoot.I had the same 1/12 twist rifle. I could not get the lighter bullets to shoot well with any combination of powders. 168's with IMR4895 or Varget shot well enough to win 300yd comps.