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different primers? help

Discussion in 'Uncategorized Threads' started by School Teacher, May 12, 2007.

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  1. School Teacher

    School Teacher Well-Known Member

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    Louisville, KY
    The number 209 refers to a size and the "A", or other markings refer to a version. A different version usually means a different formulation of priming compound. Primers may differ significantly between versions and have their own unique loading data. Also, while 209 refers to a size, there may be a minor difference in actual size between manufacturers.


    One thing I have noticed is that the material of the primer body may change (i.e. from brass to aluminum) while the primer version does not change.


    Be sure to use the correct loading data for each primer. For example, a Federal 209 is different from a Federal 209A.
     
  2. Bob_K

    Bob_K Well-Known Member

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    Afton, Virginia
    The difference is the brisance of the primer.
     
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