The majority of products manufactured by NPO "AEG" are equipped with a special gearbox of the third version. This gearbox is made by special order of NPO "AEG" company. This gearbox provides initial speed of a ball up to 500 FPS. Engineers of NPO "AEG" have picked up components which provide longlive and reliable work with powerful springs.

This gearbox allows for a quick spring change. This may be necessary in case the rules of the game impose a limit on the power of airsoft weapons.

Below we have collected for you the main features of gearbox from NGO "AEG":

• The shell of the gearbox with the ability to quickly change the spring
• A reinforced switch assemblyli
• Piston with full steel teeth
• Aluminium piston head
• Aluminium cylinder head
• Aluminium nozzle
• Bevel Gears 100:200 with tappetplate delay
• Steel spring guide
• Spring M140
• High-torque motor

All these components allow a standard NPO "AEG" product to show the initial ball velocity up to 525 FPS (with 0.2 gr. BBs) during the initial firing.