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Posted: 3/13/2010 9:20:37 PM EDT
I am looking for some suggestions for a gas piston upper for my colt hi-bar 223. cal. I bought a bushmaster piston upper only to discover that it had a fixed carrying handle which was disappionting  I am not so much worried about price as I am about just to know what is out there and what manufacturers are making gas piston uppers and without a fixed carrying handle. HELP!!
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