Thread: G&G M4 Blowback
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Old August 17th, 2009, 01:07   #1
connor.eckert's Avatar
Join Date: Aug 2009
Location: Calgary
G&G M4 Blowback

I am looking at buying the G&G M4 Carbine with blowback from I know that fps doesnt reflect the quality of the gun but I am concerned that the fps of the gun (320fps) is too low. Should I upgrade it with a new spring? Also, because of the blowback feature, would it be harder to find internals for it?

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