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Author Topic: A new old rifle (1916 Mauser)  (Read 2072 times)

Kaso

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Re: A new old rifle (1916 Mauser)
« Reply #25 on: January 19, 2017, 03:02:20 PM »
So I took the firing pin out and examined some of the brass. I'm getting some bulged primers sadly.  :facepalm
What causes that, and what does it mean for functionality?
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    Deer Hunter

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    Re: A new old rifle (1916 Mauser)
    « Reply #26 on: January 20, 2017, 10:48:18 AM »
    What causes that, and what does it mean for functionality?

    It means I'm getting overpressure and the headspacing is a bit off. The geometry in the chamber and its relation the the receiver and bolt is off a bit, which is leading to the bulged primers.

    I was using 7.62 NATO MEN 2016 German production 147 grain ammunition, which should be perfectly specced for this chamber.

    Shooting a gun that is improperly headspaced could result in a blown case.
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