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Old June 15, 2013, 09:25 AM   #67
robertsig
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Join Date: September 9, 2011
Location: Ohio
Posts: 224
Quote:
this type of arrangement is not such a bad idea for military rifles but it's horrible for civilian application as a piston requires a very specific amount of pressure from the fired projectile to actuate it. ......

if the pressure is too far out of spec your piston will no operate and you will effectively have a bolt action AR15 requiring you to operate the bolt manually.
Baloney. Tell that to my PWS MK116.
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