New IMR Powder

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  • rasp65
    Warrior
    • Mar 2011
    • 660

    New IMR Powder

    IMR is introducing a new powder IMR-4166 has smaller kernels and has additives to reduce copper fouling. http://bulletin.accurateshooter.com/...166-4451-7977/ The burn rate is in the Varget RL-15 range.
    Last edited by rasp65; 10-22-2014, 03:07 AM. Reason: more fax
  • tpk
    Bloodstained
    • Sep 2014
    • 56

    #2
    Thanks, I will have to try that with my Norma 139 FMJs. RL-15 has been the best powder so far for accuracy.

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    • sneaky one
      Chieftain
      • Mar 2011
      • 3077

      #3
      Rasper, nice find. This is a good powder for the 120 class of pills here. Maybe someone will try it with the 123 class, ? SST-etc.

      Clean burn is great for our bbls. Sounds similar to cfe-223?

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