Guarder Polycarbonate Ventilation Piston Head with Bearing Category_GBB : GE-03-30

: GE-03-30

Gas Blow Back Job is solid & quick as KSC GBB Pistol

Realistic cocking lever must be pulled to load first round

Smoother slide cycling with clicks & clacks metal sound

: GE-07-06

Guarder Polycarbonate Ventilation Piston Head with Bearing Category_GBB : GE-03-30Guarder Airsoft AEG Upgrade Part Series Polycarbonate Piston Head with Ball Bearing Essential part for upgrading your Airsoft AEG Polycarbonate Piston Head with Thrust Bearing is renewed to be more effective Custom 8 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