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  • Integrated MOSFET
  • Lube / AOE Window
  • 8mm Bearing Gearbox

A complete gearbox built to Krytac's high standards, which is ideal as a replacement for Krytac models or for transplanting into other Version 2 compatible weapons for Krytac level performance.

£139.99
  • Metal Gears
  • Polymer Bushings
  • AEP & MP7 Models


    A replacement gearbox for CYMA branded AEPs, such as the G-Series, CM.127, CM.125 and others.

    £29.99
    • For AK Rifles
    • CNC Machined
    • Screws Included

    Another high quality and precision manufactured componenet from RetroArms, this replacement motor case is a rock solid and extremely durable replacement, allowing users to install upgraded motors into their Airsoft AK AEGs. 

    £34.99
    • High Quality Build
    • Interlocks Perfectly
    • 8mm Steel Bearings

    A replacement Gearbox Shell for Version 2 accepting Airsoft AEG Gearbox created by Action Sports Games as part of their Ultimate Upgrade Range of Airsoft Components and Parts.

    £44.99
    • Pre-Assembled
    • High Torque Motor
    • Reinforced Alloy Gears

    A pre-assembled, ready to use complete gearbox set designed for use in 6mm Airsoft BB replica M14 AEGs. With all the components assembled and in place, this gearbox is ready to be dropped into place in your M14 AEG, replacing any old and worn out gearboxes.

    £49.99
    • For M60E4 & MK43
    • Complete Gearbox & Motor
    • No Additional Assembly Needed

    A complete gearbox and motor set, designed for use with the ASG M60E4/Mk43 LMG, supplied fully built and ready to use. The gearbox is capable of acccepting many of ASG's standard AEG upgrade components. 

    £89.99
    • Rear Wired
    • 'Blue EFCS' Mosfet
    • Complete Gearbox

    A complete gearbox replacement for Amoeba / M4-E Airsoft weapons. The unit itself is the reprogrammable EFCS unit, allowing it to be programmed for three round burst or be locked to single shot using the EFCS programming unit. .

    £109.99
    • M249 AEG Compatible
    • Precion CNC Machined
    • For Custom Gearbox Builds

    A high quality CNC machined gearbox shell designed to allow Airsofters to build their own custom high performance gearbox for their Airsoft M249 / PKM replica.

    £124.99
    • Front Wired
    • Alloy Trigger
    • Drop In Gear Box



    A complete V2 Gearbox for MP5 Airsoft AEG Guns. The gearbox is complete and ready to drop into a broken weapon. The entire shell is alloy, with an alloy trigger and polymer internals. 

    £44.99
    • Ready To Install
    • For Version 2 RIFS
    • Quick Change Spring

    A complete, ready-to-install NUPROL gearbox for Version 2 compatible RIFs.

    £49.99
    • Front Wired
    • Alloy Trigger
    • Drop in Gear Box

    A complete V3 Gearbox for AK platform CYMA Airsoft AEG Guns. The gearbox is complete and ready to drop into a broken weapon.

    £54.99
    • Front Wired
    • Alloy Trigger
    • Drop in Gear Box

    A complete V3 Gearbox for G36 CYMA Airsoft AEG Guns. The gearbox is complete and ready to drop into a broken weapon.

    £64.99
    • CNC Machined
    • Solid Construction
    • For Custom Builds

    For those who are looking for a solid CNC produced gearbox to build upon then this is for you.

    £94.99