Prometheus Hard Piston for Marui New Ver.1 AK74/AK102/G36K
Polycarbonate Piston is the piston with high impact-durability
Unlike conventional one, this Piston contains least possible glass fiber
with Steel made last 4 teeth
Fit For Tokyo Marui RECOIL SHOCK AEG System Airsoft Gearbox New Version 1
Suit for Ver.1 AK74/AK102/G36K Series Airsoft Electric Gun AEG Rifle
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