LCT 9mm gearbox set for m4 electric gun (rear wiring)

New! Hi quality full set custom complete gear box available
new 9mm ball bearing for max rotation and battery save
the best LCT parts and know how is installed into this device!!

external parts included:
-selector plate and spring
-trigger and safety cover

internal parts
-sp120 steel spring
-9mm steel ball bearing
-steel gear set with delayer
-aluminum CNC cilinder head and acetal seal nozzle
-ventilated piston head and full steel/polycarbon piston
-switch and wire for rear battery (tamya small comnnector)

to install on hi quality M4 rifle such Marui,Lct,g&g,g&p,king arms etc.....