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Matrix Advanced 8mm M4 / M16 Version 2 Quick Change Spring Gearbox for Airsoft AEG Rifles (460-500fps) - Rear Wired

ID: 56139 (GB-MTX-Advanced)
Matrix56139
Evike.com
5.0 stars, based on 3 reviews
Matrix Advanced 8mm M4 / M16 Version 2 Quick Change Spring Gearbox for Airsoft AEG Rifles (460-500fps) - Rear Wired
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$120.00

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Features:

  • Precision machined CNC aluminum construction
  • High strength aluminum alloy shell
  • Integrated quick-change ball bearing spring guide allows you to quickly swap springs without complete disassembly
  • 8mm metal ball bearing bushings
  • High grade low resistance wiring
  • Brass air nozzle
  • Reinforced high-strength gear set
  • 460~500 estimated FPS
Connector Type: Small Tamiya
Compatibility: For Tokyo Marui compatible M4 / M16 Series Airsoft AEG rifles
Material: Metal alloy

Manufacturer: Matrix

Modification may be required to fit certain brands or parts.

3 Customer Reviews

(Write a review)

by Colton R. on 11/07/2017
"I have this gearbox in both of my G&G builds and it is perfect for CQB or DMR rolls. It is built like a tank and has never failed on me. There is a reason I have bought 2 of them, love them!
by Shawn S. on 03/07/2017
"I ordered 2 of these and i am impressed with how nice they are. Only complaint but not really a complaint is i added a little bit more grease but rather have to add then clean and add. I took it apart to check it over so all parts are good. shoots at 415 in my M4 with included spring and .20 BB
by jesse m. on 09/29/2016
"Just got this, put it in my M4 CQB-R and works amazingly! Well built, good construction, high FPS.

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