Home ICS Special Upper Gear Box Package B (M120 Spring)
ICS Special Upper Gear Box Package B (M120 Spring)
ICS Special Upper Gearbox Package B (M120)
Plug and play!
1.MA-34 Upper gearbox
2.MC-39 M120 Spring
3.MA-46 Metal spring guide(II) with screw
4.MA-50 Tappet plate and with spring
5.MP-23 M4 Nozzle
6.MC-19 Piston head
7.MC-05 Aluminum piston
8.Stock cylinder (2 opening)
* A slightly better upper gearbox with aluminium piston
* Productnumber: MA-48
Angle of engagement needs to be adjusted to prevent damage !