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Old November 18, 2012, 11:22 AM   #5
mehavey
Senior Member
 
Join Date: June 17, 2010
Location: Virginia
Posts: 2,764
The 62k NATO pressure is widely misunderstood, and highly dependent upon chamber design. See below:

http://www.m4carbine.net/showthread.php?t=55149

All things being equal, I'd recommend 55K max for no other reason than pressures above
that (from my experience) begin to stress primer pockets after a few (5-6) firings.
Besides (as noted in the previous post) it isn't needed to reach military-matching ballistics.)

Last edited by mehavey; November 18, 2012 at 11:41 AM.
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