GEARBOX I5 8MM FOR ELECTRIC RIFLE M4 G&P (GP-GBX017)

New complete gear box for latest generation shotguns
contains the best of the know-how of the Hong Kong house
complete with cables with high efficiency V.2 frill MOSFET

Internal parts:
trigger
steel spring sp110 (1.2j)
bearing bushings 8mm
custom gears with engaged delayer
anti-vacuum piston head and hi speed piston
CNC aluminum cylinder head and shot pusher
metal spring holder with bearings for quick spring replacement
contacts and cables for rear battery with T-connector
to be mounted on M4 g & p rifles and compatible models