Essential part for upgrading your Airsoft AEG Aluminum Piston Head with Ball Bearing is renewed to be more effective Redesigning the area of port at the head front & the total weight It creates tremendously crispy shooting sound compared to sister part, Duracon Version Reinforced piston head will provide extra duration during rapid & prolonged firing
FOR GEAR BOX VERSION II/III USE
ELEMENT Level 2 Upgrade Series
Material :Aluminum
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