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To: re_tail20
"• Adding a heavier barrel for better performance during high rates of fire. • Replacing the direct-impingement gas system with a piston gas system." Bout time.
4 posted on 11/23/2009 5:45:56 PM PST by Rammer
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To: Rammer

Would the piston system increase the perceived recoil or muzzle climb? There is some mass traveling back & forth. Anybody fire both?


7 posted on 11/23/2009 5:51:30 PM PST by Tallguy ("The sh- t's chess, it ain't checkers!" -- Alonzo (Denzel Washington) in "Training Day")
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