ICS Upper Gearbox Set Complet M4

ICS Upper Gearbox Set Complet M4/M16

Complete tune up kit includes:

-ICS M4 Metal Upper Gearbox with screws

-ICS Aluminum full teeth full metal piston

-ICS Version 2 reinforced air nozzle

-ICS MC-02 Tappet plate for ICS M4

-ICS Version 2 Ball bearing spring guide with screw.

-Reinforced Aluminum Piston head with ball bearing

-Reinforced Aluminum Cylinder head.

-Reinforced cylinder