Durable CNC aluminium gearbox ver.2. Made of aluminium 7075. Beautiful looks, high precision, high intensity. Suitable for those who like high precision and light AEG players. Include 6pcs of 8mm ball bearings, bearing spring guide, trigger contacts and screws.
Gearbox has unique design. You can remove spring with the spring guide very easy from the back end. Without gearbox disassembly. So you can easy change spring.
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