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Old 10-14-2007, 07:32 PM   #9 (permalink)
Lakerman
Upright
 
Location: Texas
I can't remember the URL, but I saw a video on youtube about a piston'd AR-15. The guy was going on and on about the benefits and he proceeded to rattle off a full magazine and then handed the rifle over to some people. They remarked how cool the receiver was to the touch... and how clean the bolt carrier assembly was. I too would be interested to know how the piston uppers affect accuracy.
Lakerman is offline  
 

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