Alliant power pro 4000mr

Discussion in 'Reloading' started by MTBULLET, Apr 24, 2013.

  1. MTBULLET

    MTBULLET Well-Known Member

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    Jul 16, 2007
    unable to find enuf RL-22 for the season, so located 8# of power pro 4000MR. anyone try it in 6.5x55 (commercial action) with 142 SMK ?