Lonex Ultimate Polycarbonate Piston w/ 10 Metal Teeth for Standard Airsoft AEG Gearboxes

Features: Piston body bade from high strength polycarbonate material Unique high strength metal 10-tooth strip Highly resistant to general rear Constructed with high impact-resistance & low-scratch-resistance. Piston speed rails is grooved for lubricant storage. Second tooth is remove for piston durability. Piston Body Material: PolycarbonateTeeth Material: Heat Treated SteelManufacture: Lonex