Boyi Dboys M4 7mm Ver. 2 Upgrade Gearbox

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Availability: In Stock

Product Code:AC-UPI-BI-15-GB

Manufacturer:Boyi Dboys


Boyi Dboys M4 7mm Version 2 Upgrade Gearbox
- Complete with all upgraded Internals, such as 7mm bushings, M120 spring, reinforced set of metal gears, and premium grease lubrication. This gearbox is high performance and requires professional installation for optimum performance.

Additional Information

FPS Range N/A
Manufacturers Boyi Dboys
Barrel Length N/A
Battery & Charger Included N/A
Accuracy Proven N/A
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