-Item Weight (gram): 570

-Built Material: Metal

-Major Color: Black

-Manufacturer: Army Force

-"QD Transform" gearbox is a new generation gearbox with all the unique & great features of a STAR / ARES (QR gearbox) and Deepfire gearbox (Micro switch)

-This gearbox has an unique shell, spring guide, selector plate, cut-off lever and trigger, all other parts are compatible with regular AEG Ver.2 8mm M4 gearboxes

-18:1 Full Gear Set with metal air seal nozzle, QD Spring Guide and Cylinder set

-2pcs 8mm ball bearings, 4pcs metal bushings

-Replaces all major brand M4 standard gearbox

-Version 2 gearbox with front wire

-Easy power upgrade system

-Quick release spring and spring guide for easy power adjustment / spring replacement

-Micro switch operation for shorter & better electric range

-Faster trigger response design

-Featuring "spring release" function

-Transformer gearbox will work with most AEG M4 Platforms (Modification may be required)