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ZCI 8mm Ver.2 Complete Gearbox w/ Microswitch & QD Spring Change (Wiring: Rear / Small Tamiya)

ID: 11891 (Gearbox-ZCI-M-21)
M-21
ZCI Ltd.859188118911M-2111891
Evike.com
4.0 stars, based on 3 reviews
ZCI 8mm Ver.2 Complete Gearbox w/ Microswitch & QD Spring Change (Wiring: Rear / Small Tamiya)
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ZCI Ltd.

$85.00

Features

  • Standard version 2 gearbox design
  • 18:1 CNC steel gears
  • Reinforced piston w/ full metal rack
  • Stainless steel cylinder w/ aluminum piston head
  • Microswitch trigger
  • QD spring guide
  • 8mm bearings

Manufacturer: ZCI

Specifications:

Material: Metal Alloy, Polycarbonate, Steel
Compatibility: For Tokyo Marui Spec M4 / M16s and other AEGs with a V2 Gearbox
Wiring: Rear-wired with Small Tamiya connector

About ZCI Ltd.

Zhucheng International CO., LTD (ZCI) specializes in research & production of precision Airsoft parts.

3 Customer Reviews

(Write a review)

by Chris V. on 07/28/2021
"Just got this gearbox, came shimmed and aoe corrected. Haven’t tested it out in my gun yet but based off first impressions would highly recommend. Only problem is that it came silver colored with black accents which is not the same as the white/red gearbox pictured. However I would still highly recommend this gearbox!
by Matthew F. on 05/19/2021
"A good quality gearbox overall with decent airseal; shoots 390-400fps on .20g bbs. However, removing 1 star because the gearbox came wired to female deans, and making a male to male adaptor or rewiring the gearbox to a male connector is a nuisance. I also rewired to a dual signal wire mosfet and radiused the gearbox for longevity's sake. The gearbox didn't fit into several cyma and specna arms lowers, but fit into a king arms pdw lower. The bevel gear also meshes well with a d-type pinion.
by William R. on 06/27/2021
"When I received this gearbox the package was open or cracked and the gearbox was unresponsive.

I took it apart and the reason it wouldn’t work was because the micro switch wasn’t being pressed when the trigger was pulled. I am still working on fixing it:

Pros:

Looks very nice
Durable
Good quality internals

Cons:

Doesn’t fix in some gear boxes - Tried to fit it in a A&K receiver and a lancer Gen 2 lonex reciever it didn’t fit In either

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