Home / ICS Complete Reinforced M120 Upper Gearbox Set - For M4 AEGs

    ICS Complete Reinforced M120 Upper Gearbox Set - For M4 AEGs

    SKU:  DSI-MA-54 ICS Out of stock

    • Upgrades muzzle velocity to 420 FPS (w/ 0.20g BBs)
    • Aluminum full teeth piston
    • Version 2 reinforced air nozzle
    • ICS M4 tappet plate
    • Version 2 ball bearing spring guide
    • Reinforced aluminum ball bearing piston head
    • Reinforced aluminum cylinder / cylinder head
    • Easy-to-install, complete upper gearbox set
    • Compatible with ICS split gearbox AEGs only

    1000 pc/case

    UPC code:


    ICS Complete Reinforced M120 Upper Gearbox Set - For M4 AEGs

    This gearbox set replaces the upper half of an ICS M4 / M16 series AEG gearbox and is a complete upgrade for your AEG’s compression parts. With its included M120 spring, this upper gearbox set delivers powerful performance right out of the box and allows your ICS AEG to shoot up to 420 FPS (w/ 0.20g BBs). This upper gearbox easily drops into ICS M4 / M16 series AEGs, saving you time and allowing you to adjust muzzle velocity within minutes. In addition, this gearbox set is compatible with most aftermarket M4 airsoft parts, such as pistons, cylinders and springs.


    In the Box

    ICS M4 upper gearbox shell

    cylinder

    piston

    piston head

    cylinder head

    air nozzle

    spring guide

    tappet plate

    spring

    screws

    Specifications:



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