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Primer ?

Discussion in 'Uncategorized Threads' started by 635 G, Nov 15, 2008.

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  1. 635 G

    635 G Well-Known Member

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    Looking in the Hodgdon reloaders manual--what would cause the need to use less powder with a CCI 209 primer vs a Win 209 primer using Clays & TGT 12 wads in a Rem hull. The CCI requires 16.6 grs,while the Win uses 17.6 grains---to get 1180 FPs for a 1 oz load & the CCI pressure is much higher--just curious---

    Lou
     
  2. hmb

    hmb Well-Known Member

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    The primer is hotter? HMB
     
  3. Jim e

    Jim e TS Member

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    CCI209 is a mild primer, the CCI209M is a hot or magnum primer. These are the two CCI primers made and you will know the difference if you try both.
     
  4. Shooting Coach

    Shooting Coach Well-Known Member

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    A "hot" primer does not always generate more pressure. Depending on powder, a Fed 209A sometimes produces less pressure than the Winnie 209.

    Use published data. Some powder companies will say that certain primers are interchangeable.
     
  5. Quack Shot

    Quack Shot Active Member

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    Different primers will give different results in different loads. Sometimes a primer that was thought to be mild will increase pressures dramatically. That's a great example of why you need to use reliable data. Even then, It could be a bit of a crap shoot.
     
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