Quote:
Originally Posted by onemenace
Part #117 the plastic bb chamber seems to be my issue with Ra tech tight bore inner barrel .
I removed part #117 and put everything else back together and the m4 will now shoot and the bb's are no longer being jammed.
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Using a dremel tool fitted with a grinding stone..that will remove just enough material to fix your problem.
Just use the ball shaped stone with a simple in/out motion.