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Matrix / AIM Lipoly Ready 8mm Complete Gearbox for M4 / M16 series Airsoft AEG ( M120 / Back Wiring)
[GB-Monster-120B]
$110.00
by Krystyan L. Date Added: Wednesday 08 September, 2010
Great bang for your buck. I also got the Matrix magnum motor to go with it. I got it for a custom build. It went in a King arms metal body and hop up and a Mad Bull black python 509mm inner barrel. It chrono'd between 450-460fps. Great gearbox so far.

Rating: 5 of 5 Stars! [5 of 5 Stars!]
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