Winchester brass, 9mm, flash hole defects
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  1. #1
    Corporal
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    Default Winchester brass, 9mm, flash hole defects

    Iím sorting and inspecting through once fired 9mm. Thereís mixed head stamping and 75% WIN. Iíve noticed on about a 2/3 of the Winchester that the flash hole is oblongated on the top by looks like a deep punch mark. It doesnít appear to go through in all cases to the bottom. It looks so irregular that Iíd question uniform ignition and possibly the ability of the primer to hold in place during firing - just as a oversized flash hole could. Has anyone else seen this? Thoughts? Iíll likely post a few pics if I can get a good closeup view.

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  3. #2
    Corporal
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    Nov 2013
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