English 
Features:
– Essential part for upgrading your Airsoft AEG
– Dupont Polymer Lightweight Construction
– SHS Piston is the lightweight piston with high impact-durability
– 14 Teeth Design for Regular Straight Gear Set
– Compatible with all AEG
– Suitable for mainstream high-speed tune-up and has excellent operational characteristics
– The Grease grooves cut on the rail-guides keep it lubricated
– Reinforced piston provide extra duration during rapid & prolonged firing
