SHS Airsoft AEG Piston (Polymer Lightweight 14 Teeth)

SHS Polymer Lightweight 14 Teeth Piston 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