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Wolf 5.56 primers? What gives?

Discussion in 'Handloading and Reloading' started by Fatelvis, Aug 12, 2010.

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  1. Fatelvis

    Fatelvis Member

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    Wolf states that the 5.56 primers are for .223 rem/5.56 Nato loading. They are slightly hotter than thier SR Magnum primers. I wasn't aware loading for my AR required "extra hot" primers. Are they necessary? Thanks-
     
  2. NRA-Highmaster

    NRA-Highmaster Member

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    In a word, nope.
     
  3. Canuck-IL

    Canuck-IL Member

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    They're not just hotter, the cup is harder and, yes, that matters. The regular SR are really soft. Personally, I've seen no difference between the Mag SR and the 5.56M SR.
    /Bryan
     
  4. Randy1911

    Randy1911 Member

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    The harder cup is to help prevent slam fires in AR's. That is the big difference.
     
  5. Walkalong

    Walkalong Moderator

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    Some ball powders benefit from a "hotter", or "mag" primer, but it isn't an absolute necessity, and it has nothing to do with caliber until you get to the great big cases of slow burning stuff, which can really benefit.
     
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