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Old June 11, 2019, 01:53 PM   #4
T. O'Heir
Senior Member
 
Join Date: February 13, 2002
Location: Canada
Posts: 11,227
Fiocchi loads to CIP spec not SAAMI. TC makes chambers to SAAMI spec.
Midway says the MV is 4125 FPS out of a 26" barrel.
Nobody publishes pressure figures. SAAMI MAP is 58,000 PSI though. CIP is 59,000 PSI.
Might be an idea to rummage around here.
https://204ruger.com/index.php?sid=f...b83537f25c9ae3
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