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uncle_benny12 · March 12th, 2016, 13:08

Both the gas tube and the piston system on the WE M4 and HK416 are purely cosmetic. You can look up some videos or diagrams that will explain how the system works pretty well

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March 12th, 2016, 13:08	#3
uncle_benny12 Trader rating Join Date: Jan 2003	Both the gas tube and the piston system on the WE M4 and HK416 are purely cosmetic. You can look up some videos or diagrams that will explain how the system works pretty well Sent from my SM-G920W8 using Tapatalk