ID: 56139 (GB-MTX-Advanced)
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- 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
For Tokyo Marui compatible M4 / M16 Series Airsoft AEG riflesMaterial:
MatrixModification may be required to fit certain brands or parts.
(Write a review)
"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!
"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
"Just got this, put it in my M4 CQB-R and works amazingly! Well built, good construction, high FPS.
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