Guarder SP120 Full Tune-Up Kit for TM SIG-551/552 Category_CO2 Torque-Up Gear (GE-02-05) for high

Torque-Up Gear (GE-02-05) for high efficiency！

CO2 Compartment in the Grip (CO2 Cartridge not include)

* Genuine Tokyo Marui Product & 100% Made In Japan

Enhanced Steel Gear for replacing Marui's Stock Gear Set

Adjustable Hop-Up System

Guarder SP120 Full Tune-Up Kit for TM SIG-551/552 Category_CO2 Torque-Up Gear (GE-02-05) for highSuggested Use 9. 6V 1700mA or Higher Battery Full Tune Up Kit Include: SP120 Spring (Oil Quenched Tempered Si Cr Alloy Steel Wire) Polycarbonate Piston Air Seal Nozzle Ball Bearings Spring Guide Polycarbonate Ventilation Piston Head Stainless Cylinder Head Lucid Chromium Plating Cylinder Original Type Steel Gear Enhanced Tappet 6mm Steel Bushing Shim Set Taflon Grease Material: S303 Stainless Steel Brass Polycarbonate Aluminum Acetal Steel Item No.: