Thread: M4 gas block
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Old July 8th, 2011, 22:19   #4
The Chad
formerly LoveMyStubby
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Join Date: Dec 2008
Location: SW ON
Any gas block for an M4 or like would work. It will press against the end cap for your RIS and keep everything from plopping off. Make sure you get a gas tube, rifles without look like poopiness.
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