Essential part for upgrading your AEG. Polycarbonate lightweight piston with high impact-durability. Full steel teeth design for greater durability. Suitable for mainstream high-speed tune-up and has excellent operational characteristics. Reinforced piston provide extra duration during rapid & prolonged firing. For Gearbox Ver. 2/3. Upgrading AEG require necessary skill & technique to dissemble the gearbox, consult expertise if needed. Color-Black Material - Polycarbonate & Steel 20g
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