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Old June 25, 2013, 03:55 PM   #9
Jimro
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Join Date: October 18, 2006
Posts: 6,806
Quote:
I am asking you .308 experts if this is excessive exapansion or is this normal for a factory chamber?
Quite normal. SAAMI specs max neck diameter for 308 loaded ammo at .3433" that your fired brass measures 0.345 is well within spec.

Jimro
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