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

$70.00 $56.00

This item is currently Out of Stock

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

Model: GB-M4QD-R
Location: U11-089
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2 Customer Reviews

by traci B. on 10/05/2013
"i got the gearbox yesterday and it seemed pretty good when i was looking it over but when i tried to put it in my gun the tirrger would not go as far back as it need to in order to go in my gun i sanded the trigger hole till i was able to put it in but then it would only go on semi and my hop up would not fit around the nossle i am sill trying to get to work correct the spring guide is also plastic it seems like o good box you just need to be ready to modify the gun or the box. i will try to put more as soon as i get it to work correct. i did change the spring before i tried to put it in my gun and it was a lot easier then taking the hole thing apart
by Robin H. on 09/14/2013
"First off the box of this says it's dboys, but it actually very nice. As soon as I took it out of the well padded box I could tell it was solid. It's a bit tight in my 416 body but it still fits, and since its a dboys gearbox, it should fit perfectly in a dboys body.

Pros: great shimming, great gears and air compression, the qd spring is mice if you switch from field to cqb, the micro trigger gives it a great response, and a great rof with a lonex a1 motor and a 9.6 battery

Cons: none really, but I would not recommend an 11.1 lipo in this

Overall this was a great purchase for the money, I highly recommend this gearbox
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
    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 product was added to our catalog on Monday 19 March, 2012.

    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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