Now you can purchase the Ares/Amoeba Airsoft Upgraded EFCS Gearbox to install in your version 2 AEG body to give you the option of getting to use their programmable gearbox for your airsoft gun projects... "Dear friends: Our upgraded EFCS Gearbox for Ares / Amoeba series airsoft AEG rifles can be sold separately, product details are as following:

• Metal gearbox shell
• High grade German wire spring
• Reinforced full teeth piston
• Upgraded blue EFCS circuit bard
• Delayer
• 8mm ball bearings x 2
• High strength gear set with magnet
• Quick spring release function

If you have any problems, please feel free to let me know, many thanks!

Best regards,

Gigi"