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AEG Power Upgrade - Install M130 Spring, Bushings, Shimming, & Basic Tuning

3 Customer Reviews

by sean c. on 09/15/2010
"Can u upgrade with a gas g&g?
Sean.catlin@sbcglobal.net





Ty
by Sean M. on 09/15/2010
"I have a jg ak 47 which i completely messed up when i took the gear boxx out, i opened the gearbox and as i opened it everything shot out, i managed to find most parts, i think i found them all..... but i cant put it back together, i was also wondering if i could get a m170 spring instaleed if i payed for it, right now my gear box has is a High precision gear box with M120 Spring, reinforced piston and gears. Ultra high torque Turbo Motor, will it be a good upgrade, but mainly i want my gearbox back together and an m170 spring. How much would it cost?
by Joey S. on 02/15/2009
"i have a question, will this upgrade harm the internals of a stock ECHO 1 VMG-74? because i want to get this upgrade for fps and im getting the fire fox litium battery

Webmaster: UPgrade services won't harm your gun. But with a stronger spring, it will increase wear and tear. A stock VGM-74 probably already have a m120 spring inside. But most of the time, after our tech tunes the guns, they work better than stock. Because we put more time into the gun than the factory.