- This service is for the installation of an M100 rated spring, reinforced bushings, and shims to an AEG with an upgradable gearbox.
- This service will include function testing of the gearbox with the newly installed components to ensure proper fitment and smooth operation.
- This service covers ONE airsoft gun per order; multiple quantities of this service may be required for orders containing multiple airsoft guns.Package Includes:
M100 rated spring, reinforced steel bushings, properly spaced shimsFPS:
~330-370 FPS. FPS range may vary and is not guaranteed.Compatibility:
This upgrade service is suitable for most AEGs with upgradable gearboxes, however there are exceptions. Please Contact Us
for further information on upgrade compatibility.
(Write a review)
"I bought this upgrade with an Echo 1 AK700 and I am very happy with the service I received and performance I am getting from this gun. Firstly, the work was done three days after placing my order....much faster than I expected. Secondly, the gearbox runs very smoothly so the shim job was outstanding. Thirdly, with the M120 spring I chrono'd the gun at 425 fps with 0.25 gram BBs. Thanks, Evike.
"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?
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