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Unread 12-04-2023, 04:01 PM   #28
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Bruce Day
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Factory proof loads were 10,800 for early guns , 13,500 psi for later . Now SAAMI 2 3/4 proof is 15,000 ( got to have that Black Cloud Prairie Storm to kill a pen raised pheasant ) .

Service loads used by Parker were 80 percent of proof pressures.
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