Quote:
Originally Posted by Big Bird
There's only so much you can do in terms of designing a semi-auto rifle around a cartridge that will push 60,000 PSI.
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5.56 NATO is around 60,000 psi and SAAMI .223rem is 55,000psi. 
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Sent from a payphone in a whorehouse in Mexico.
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~RIP Chad
Last edited by Travclem; 12-04-2012 at 20:09..
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