Guarder Bore-Up Polycarbonate Piston Head with Bearing

Guarder Bore-Up Polycarbonate Piston Head with Bearing
- for Guarder/Systema Bore-Up Cylinder use

Bore Up Series upgrade part
Polycarbonate Piston Head with Thrust Bearing is renewed to be more effective
Custom 6 holes ventilation design increase the stability during full auto shooting mode
It creates soft & quieter shooting sound than the sister part, Aluminum Version
Reinforced piston head will provide extra duration during rapid & prolonged firing
Recommended to use along with Upgrade Springs
As always, upgrading AEG require necessary skill & technique to dissemble the gearbox, consult expertise if needed

Weight: 20 g
Material: Polycarbonate/Rubber
Item No.: GL-04-03