Essential part for upgrading your Airsoft AEG
Dupont Polymer Construction
SHS Hard Piston is the lightweight piston with high impact-durability
19 Full Teeth Design for High Straight Gear Set
Compatible with SR-25 / R85 / CA SVD
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