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Standard or Magnum Primers?

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5 comments

  • RobOz
    I would use standard with IMR4064
    0
  • SoreShoulder
    I load for similar calibers and standard primers were always good enough for 4064.

    I think a lot of load data for this caliber was developed when the rifles from Finland were coming in. Those have .309 bores. The Soviet rifles would probably be better served with .311 or 303 caliber bullets. I have not loaded for mine yet but the bore measures about the same as an Enfield.

    AFAIK the good ammo from "low voltage factory no. 188" which is coming in now, has a .311 bullet.
    0
  • sandwarrior
    IMR4064 burns fast enough, and is not that temp sensitive that there is any need to bump up to magnum primers. Go with standard primers.
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  • steve4102
    Go with whatever primer you have or can find. Just start low and work up and you will be fine.
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  • distinguished
    I would recommend a non magnum primer.
    0

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