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Posted: 12/3/2008 5:42:29 PM EDT
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Hey Folks,
I'm finishing up my first M4 clone build. I've funtion fired it and it runs fine. I noticed that the inside of the receiver extention tube I used has lots of machine marks and it makes a lot of noise as the buffer cycles. The extentions on my Colts are smooth and not this noisy. I've thought about letting it wear in which may take a 1000 rounds, maybe locating a 1" cylinder hone and smoothing up inside, or purchasing another extention tube. Any thougthts or ideas? Regards, Tim |
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