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Case wall thickness variation

Discussion in 'Handloading and Reloading' started by Randy in Arizona, Sep 29, 2005.

  1. Randy in Arizona

    Randy in Arizona Member

    Sep 10, 2003
    East of the Democratic People's Republic of Tucson
    I am in the process of reloading some once fired 7.62 Nato brass I got from J&G years ago.

    I sized/decapped, swaged the primer pocket and inspected carefully. I noticed that some of the cases had flash holes off to one side of the primer pocket.

    I didn't think much about it until I was checking for incipient head separation with a bent wire probe and noticed that there was a deep internal groove on the side that had the flash hole closest to the side of the primer pocket but not the other.

    I dug a hacksaw out and sectioned the case. From the inside the flash hole is centered in the powder cavity. The wall of the case is about three times as thick on one side as on the other!

    All y'all might be on the lookout for this if you have off center flash holes.
  2. TooTaxed

    TooTaxed Participating Member

    Dec 31, 2002
    Columbus, Georgia
    What were your case markings?
  3. USSR

    USSR Mentor

    Jul 7, 2005
    Probably once-fired in a machine gun. Personally, I would scrap them rather than shooting them and risking case head seperations.


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