difference between TM and G&P M4 bodies?
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October 18th, 2010, 19:05
Join Date: May 2006
Location: Vancouver BC
So if I have a G&P Upper, I will need a 1 piece hop-up, and not a TM Lower. Other than that everything else should fit in fine? Pins, bolt, dust cover, gear box, selector level, etc?
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