AR-15 loads
I get sub 0.5 MOA groups in my AR-15 with 8.25-twist Krieger barrel using:
26-26.5 gr W748
Sierra 55 gr HPBT (Gameking) bullets
Win. or Norma brass,
CCI or Win. primers.
Have you tried Hodgdon Benchmark powder ? I just loaded some to try out.
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