Thread: Russian shotgun, can you read the inscription or know the model?
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Old March 24, 2005, 01:24 AM   #10
mikikanazawa
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Join Date: September 26, 2004
Posts: 449
Quote:
ATM 750 (phisic)atmosphere is the unit of measure of pressure in metric
system, as PSI. 750 is very low proof
That's 11,025 to 11,039.7 PSI, depending on if that rating is at sea level or in perfect vacuum.
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