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Old March 12, 2013, 02:16 PM   #18
Bart B.
Senior Member
 
Join Date: February 15, 2009
Posts: 6,318
MIL SPEC 7.62 NATO ammo for USA manufacture is 50,000 CUP (60,200 PSI) max average peak pressure.

SAAMI specs for commercial USA .308 Win. ammo is 52,000 CUP (62,000 PSI) max average peak pressure.
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