Design for Replace the Original Piston with Piston Head set Comes with CNC piston head. 16 steel full teeth design for Regular Straight Gear Set Army Force 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. Colour: Red Weight: 44.8g Length: 73mm Manufacturer: Army Force
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