Thread: Tm m4 sopmod
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Old March 12th, 2009, 03:01   #22
Join Date: Mar 2008
Location: Calgary
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WA M4s are blowback and will also cost you a small fortune. They also take special gas mags which are hard to find and they need some upgrades to get working well. Easily more than the price of the TM M4A1 SOPMOD. Search on these forums and you'll find some extensive discussion on WA/WE/Ino M4A1 GBBs.
JG HK416
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