BALL BEARING PISTON HEAD FOR MARUI RECOIL SHOCK / NEXT GEN

SHS Ball Bearings Piston Head for Marui Next Gen Recoil Engine M4 gearbox (New Ver 2)

Polycarbonate Piston Head with Thrust Bearing is renewed to be more effective
Custom 6 holes ventilation design increase the stability during full auto shooting mode
It creates soft & quieter shooting sound than the sister part, Aluminum Version
Reinforced piston head will provide extra duration during rapid & prolonged firing
Recommended to use along with Upgrade Springs