Guarder Bore-Up Cylinder Set for Marui MC51/G3SAS ak operator The hop up switch is

The hop up switch is on the left hand side of the gun

SKU KA-MAG-20-V-HC-OD Item Weight (gram) 283 Major Color Olive Drab Loading Capacity 450 Rounds Magazine suitable for Tokyo Marui Compatible M4 / M16 Series Airsoft AEG Magazine Type Hi-Capacity Bullet Type 6mm BB Manufacturer King Arms

The real ZB26 is a gas operated

- Reload the Magazine easiler

5" Invader Handguard  Aluminum Body

Guarder Bore-Up Cylinder Set for Marui MC51/G3SAS ak operator The hop up switch isEssential part for upgrading your Airsoft Electric Gun AEG Durable cylinder with Polished Inner surface guarantee smooth action As always, upgrading AEG require necessary skill & technique to dissemble the gearbox, consult expertise if needed Package Includes: 1. Stainless Bore Up Cylinder Head 2. Bore Up Air Seal Nozzle 3. Bore Up Ventilation Piston Head 4. Bore Up Chromium Plating Cylinder Bore Up Cylinder Set need to be used with M120 ~ M170 AEG