Author Topic: Pistol: Fire damaged polymer  (Read 7871 times)

sanglant

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Re: Pistol: Fire damaged polymer
« Reply #25 on: April 16, 2010, 03:56:57 PM »
not to encourage anything, but a proof load is normal well over pressure from a standard load, the idea being to bust any weak link. =D

http://en.wikipedia.org/wiki/Birmingham_Proof_House