Essential part for upgrading your airsoft AEG. Army Force reinforced full steel teeth piston. 15 full teeth design for high straight gear set. Lightweight piston with high impact-durability. Suitable for mainstream high-speed tune-up and has excellent operational characteristics. Reinforced piston provide extra duration during rapid & prolonged firing. Suitable for airsoft electric AEG all gearbox version. As always, upgrading AEG require necessary skill & technique to dissemble the gearbox, consult expertise if needed. Weight - 17g Built Material - Polycarbonate & Steel
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