Matrix "QD Fast Spring Change" 8mm Gearbox for M4 M16 Airsoft AEG - Front Wire

Matrix33763
4.2 stars, based on 5 reviews

$70.00 $57.40

This item is currently Out of Stock

Usually restocked within 1-3 weeks. Add to your wishlist to stay posted!

Model: GB-M4QD-F
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5 Customer Reviews

by austin c. on 03/24/2015
"its a good build box and it was really easy to work with the internals, but it it would take a few shots and stop, it would act like the microswitch would work then stop but once i took the gearbox apart and put it together it would work again. Besides this problem the box is great but once i put it any of my receivers it does not like it.
:( to bad it did not work, it just means more parts for me
by Ac M. on 05/05/2013
"This is the Airsmith's dream gearbox for the M4/16 platform.
Please note that although this is a great Mechbox to start off with it does have some issues...

1st off it will NOT fit in a G&P or a KWA body without mods, but this it to be expected because both company's use parts made just for their brand.

2nd, if you plan on upgrading this with a stronger spring, or change the gears, do yourself a favor and get a new piston pronto, as well as a new air nozzle. they are both plastic and cheaply made and under high stress they will fail.

Other than that I have to say I love the bushing/bearing combo. Bearings where needed for a high speed setup and bushings on the gear that can not have wobble.

All in all this is a great box for the price.....

I have mine installed with 13:1 Super High Speed Gears, A High Speed piston with AOE modified with a sorbo pad, running a Tornado Motor, pushing a Prometheus M115 spring.

Cronoed with .25s at just under 300 FPS (360ish with .20s) but ROF is over 30 RPS!!! I had to get the High feed mags to keep up with this speed beast!!!
by Keenan g. on 03/14/2013
"This is the best gearbox ever!!!
I put a m140 in and used a matrix magnum motor.

PROS:
This shoots hard and fast with a 9.6v
You dont need to take the whole gearbox apart
To put a better spring in

CONS:
Not really any i put it in a friends PDW and i had
To file parts out but its over all good.
Matrix
Matrix "QD Transform" 8mm Metal Gearbox w/ QD Spring Change for M4 / M16 Series Airsoft AEGs

The new Matrix "QD Transform" gearbox is a new generation gearbox with all the unique & great features of a STAR / ARES (QR gearbox) and Deepfire gearbox (Micro switch). This gearbox has an unique shell, spring guide, selector plate, cut-off lever and trigger, all other parts are compatible with regular AEG Ver.2 8mm M4 gearboxes. Replaces all major brand M4 standard gearbox.

The Matrix "QD Transformer" Gearbox features:
  • Quick release spring and spring guide for easy power adjustment / spring replacement.
  • Quick release spring guide for easy replacement.
  • Micro switch operation for shorter & better electric range.
  • Faster trigger response design.
  • Featuring "spring release" function.
  • Quickly changes FPS from 250 FPS to 550 FPS!
  • (Note: Higher fps means higher wear and tear)
  • Full metal reinforced chassis / gearbox with metal gear set.
  • 8mm hybrid bushing / ball bearing.
  • Chrome polished cylinder with low resistance silver wiring.

  • Compatibility: The Matrix Transformer Gearbox will work with most AEG M4 Platforms (Modification may be required)
    Barrel Compatibility: Will work with barrels from 250mm-590mm in length
    Manufacturer: Matrix
    Spring / Power output: M120 / ~400 FPS
    Color: Black or Silver
    Lipo Ready? Lipo batteries are recommended for experienced players. Who understand the result of high power batteries and knows how to manage the enhanced performance + wear and tear.

    Complete Gearbox Disclaimer:
    We have compiled a series of videos for AEG take down, assembly and gearbox for your reference. Recommended for experienced players only. A "gearbox" virtually never breaks, Evike.com offers spare parts for all components. All gearboxes are sold as complete set of parts and "AS IS". All the gearbox are directly from manufacture. Buyer responsible for fine tuning and proper installation. Evike.com is not responsible for shimming it perfectly or playing the game of airsoft for you.
    For more information on complete gearboxes, please visit: Complete AEG Gearbox

    The following four spare parts are unique on the QD transform gearbox (included) and available here at Evike.com for future reference.




    This item is currently Out of Stock. Most out of stock items are restocked within 1-3 weeks. Some items may take longer. Please add this item to your wishlist to keep posted on its availability.

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