Prometheus Hard Piston for Marui New Ver.1 AK74/AK102/G36K

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