Tweak Airsoft Super Max QD Fully Upgraded Gearbox" Tweak QD gearbox is a new generation gearbox with all the unique & great features of a Tweak Airsoft QD 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 and are many CNC Aluminum Parts
Aluminum Air nozzel,Aluminum Cylinder Head,Aluminum Piston Head
This Gear box can handle M120-M170 spring
2pcs 8mm ball bearings, 4pcs metal bushings.
Replaces all major brand M4 standard gearbox.
Version 2 gearbox with rear wire and Micro Switch
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.
Full metal reinforced chassis / gearbox with metal gear set.
Tweak Airsoft qd gearbox will work with most AEG M4 Platforms (Modification may be required)
Not a cheap model made of all high end parts.