Upgraded Version 2 gearbox
$45
Details
Description
Upgraded version 2 gearbox. Reinforced gears with micro switch trigger wired to the front. Has a quick spring change system. Currently shoots on average 344 FPS. Bought this a while back for a project gun. The hole where the pin goes in has been made bigger, but will still fit into an m4 body and does not hinder performance. Open to other offers and price is negotiable. Buyer pays shipping.
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