GEARBOX V2 QD 8MM E&C (EC-MP047)

High quality and durable 8mm replacement gearbox
complete with quick release bearing spring holder and designed for metal body V.1.5 and 2.0 (spring holder with external screw)
thanks to the particular internal polishing it combines strength and not excessive weight
including 8mm bushings, bearings and threaded mounting screws
compatible with electric models series M16, M4, G3, Mp5 etc ....