Guarder Aluminum Ventilation Piston Head w/ Bearing Category_Piston Head Tokyo Marui M4A1 Carbine AEG

Tokyo Marui M4A1 Carbine AEG

HOP UP system is equipped

Under Mount Rail for Flashlight or Laser Sight

KWA 2GX Gearbox

Smoother slide cycling with clicks & clacks sound

Guarder Aluminum Ventilation Piston Head w/ Bearing Category_Piston Head Tokyo Marui M4A1 Carbine AEGGuarder Airsoft AEG Upgrade Part Series Aluminum Ventilation Piston Head w Ball Bearing Essential part for upgrading your Airsoft AEG Aluminum Piston Head with Thrust Bearing is renewed to be more effective Head resistant O Ring Custom 8 holes ventilation design increase the stability during full auto shooting mode It creates tremendously crispy shooting sound compared to sister part, Duracon Version Reinforced piston head will provide extra duration