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Old February 1st, 2011, 13:45   #21
turok_t's Avatar
Join Date: Feb 2009
Location: Toronto, Ontario, Canada
So if im looking to get the new M4 open bolt kit, I understand that the following wont be compatible:

-RA tech NPAS
-RA tech hop up kit

Anything else that would need to be changed? Would RA tech inner barrels and trigger assembly/mechbox need to be changed as well?
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