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G&G Combat Machine/GR16 Stock Spring

Posted: Sat Feb 05, 2011 10:18 pm
by MADJACK21
What is the stock spring for the G&G Combat Machine/GR16 gearbox?
I have a Combat Machine, but the gearbox/hop up parts have GR16 inscribed on them.

Re: G&G Combat Machine/GR16 Stock Spring

Posted: Sat Feb 05, 2011 10:28 pm
by Star_folder
It should be an M100, shooting at about 320fps with .2s.

Re: G&G Combat Machine/GR16 Stock Spring

Posted: Sun Feb 06, 2011 1:18 am
by Vesper
Non blowback versions come with M100 springs.
Blowback versions come with M120 springs.

Re: G&G Combat Machine/GR16 Stock Spring

Posted: Mon Feb 07, 2011 8:06 pm
by MADJACK21
Thanks guys.