Head resistant O-Ring
Essential part for upgrading your Airsoft AEG
Custom 8 holes ventilation design increase the stability during full auto shooting mode
Polycarbonate Piston Head with Thrust Bearing is renewed to be more effective
Reinforced piston head will provide extra duration during rapid & prolonged firing
It creates tremendously crispy shooting sound compared to sister part, Duracon Version
Recommended to use along with Upgrade Springs
As always, upgrading AEG require necessary skill & technique to dissemble the gearbox, consult expertise if needed
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