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Matrix Reinforced Ver.2 8mm Gearbox for Airsoft AEG by JG

ID: 31688 (GB-V2-8mm)
4.0 stars, based on 3 reviews
Matrix Reinforced Ver.2 8mm Gearbox for Airsoft AEG by JG
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MatrixJG Works


This item is currently Sold Out


  • CNC-machined aluminum construction
  • Factory direct OEM replacement part
  • Reinforced LiPo-ready gearbox shell
Compatiblity: For most Airsoft AEG Rifles that use a Version 2 Gearbox
Gearbox Type: Ver 2, Full Metal
Material: High Strength CNC Aluminum

Manufacture: Matrix. (OEM: JG)

About Matrix

Established in 2001 for Airsofters by Airsofters. Team Matrix thrive on the vision to better the sport of Airsoft with affordable high quality Airsoft equipment. With decades of experiences as Airsoft enthusiasts ourselves, we live, sleep, and breathe Airsoft. Matrix offers a wide selection of skirmish grade replicas from rifles to pistols, a wide variety of accessories, and tactical equipment from helmets to boots. It is the Matrix mission to prepare every Airsoft shooter the perfect experience!

About JG Works

JG Works is among the world's largest Airsoft OEM (Original Equipment Manufacturer) factories and has pioneered high quality, affordable Airsoft AEG rifles. As the largest Airsoft manufacturer in China with a longstanding production infrastructure, high volume output, and their close relationship with, JG Works has positioned themselves to provide the world market with a large catalog of reliable Airsoft products.

3 Customer Reviews

(Write a review)

by Adam D. on 04/10/2020
"Just got one of these to replace a old broken gearbox shell and let me tell you this thing is a is definitely HD. Now with that being said you will need to order a set of gearbox screws because it does not come with any. The other thing I would recommend is soaking this gearbox in solvent or paint remover. You need to get all the black paint off or you will never be able to properly shim the gearbox. Because of the inconsistencies of the paint when you tighten the screws the gears bind up. So far after removing all the black paint inside and out it seems to be good.
by Adam D. on 03/25/2020
"So to start this a definitely a reinforced V2 gearbox compared to the older V2 gearboxes. Couple things about this gearbox though 1st you get no gearbox screws and second you are going to have to get the black coating off some areas to get things to fit like the bushing holes and the channel the tappet plate rides in and possibly if you can where the 2 gearbox halves come together. For the price I thing it's a good gearbox but takes some work to get things to fit.
by toby t. on 07/05/2014
"i orderd this Gearbox for a M4 upgrade. to my surprise it came with a ton of G.B. shell screws..... red flag? or sweet freebee? basically shell is cheapy pot metal no different than any JG or CYMA. i like JG by the way their design/style is the best over all for not being a hybrid installing the matrix spring guide is ridiculous worst design ever all around. its what u can expect from the new kid on the block(Matrix). gets a 3.5 out of 5 cause of quality and design. the only pro about this G.B. is that it came with a ton of v.2 shell screws, philips head.

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