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Primer vs Pressure

Discussion in 'Handloading and Reloading' started by RDA 226sig, May 31, 2010.

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  1. RDA 226sig

    RDA 226sig Member

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    Mar 9, 2008
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    Ran some test loads through a new rifle and they shot well but the primers are dimpled around the firing pin a bit. (See the 300 WSM primers below) However, they are not flat on the edges like I would expect from a hot load and the charge is well below max. (This was the start load) I have also attached a photo of some 338 brass that has primers from the same lot and it is clear that the edges have flattened. I am thinking the dimple is mostly due to the shape of the firing pin hole but thought I would post for opinions.

    http://i321.photobucket.com/albums/nn390/RAD1768/DSC_0214.jpg

    http://i321.photobucket.com/albums/nn390/RAD1768/DSC_0216.jpg
     
    Last edited: Jun 1, 2010
  2. USSR

    USSR Member

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    And you would be thinking right.

    Don
     
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