Team GBB Ultra Shock Kit for WE AK

The Team GBB Steel Ultra Shock Kit with Buffer Spring for High Speed return is designed to replace the original WE Piston Rod. After installation, the GBB's FPS will still stay the same, but the Rounds Per Second will be the same.

The Kit is suitable for WE AK GBB Series

Details:

-  Material: Steel Piston Rod for increasing bolt carrier weight

- Manufacturer: Team GBB