Thread: Throw Away That M4
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MotoSook MotoSook is offline
Somewhere in the Midwest
 
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Join Date: Oct 2001
Location: In the barn!
Posts: 12,499
Just another M4 with a piston kit....sure, it's probably a factory piston setup, but can be replicated by adding a $300 CMMG piston kit to your M4.
Last edited by MotoSook; 03-30-2010 at 08:16 PM..
Old 03-30-2010, 06:30 PM
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