Guarder Aluminum Ventilation Piston Head for Marui PSG-1 gbbr - Machined aluminum outer ring

- Machined aluminum outer ring

SAT Dummy Toy PVG-18 (Standard Version)

AEG Power Source : Up to 8

and no slapping effect while running or being active

Guarder Aluminum Ventilation Piston Head for Marui PSG-1 gbbr - Machined aluminum outer ringEssential 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