Guarder Aluminum Ventilation Piston Head for Marui PSG-1 gbbr and no slapping effect while

and no slapping effect while running or being active

G&P 6 Position Retractable Stock  7

- Length: 190mm

depending on how you want set it up

Guarder Aluminum Ventilation Piston Head for Marui PSG-1 gbbr and no slapping effect whileEssential part for upgrading your Airsoft AEG Marui PSG 1 Aluminum Piston Head is renewed to be more effective Head resistant O Ring Custom 9 holes ventilation design increase the stability during full auto shooting mode Reinforced piston head will provide extra duration during rapid & prolonged firing Recommended to use along with Upgrade Springs As always, upgrading AEG require necessary skill & technique to dissemble the gearbox, consult expertise