AIP 120% / 140% Loading Nozzle Spring For Marui 5.1/ 4.3/1911

- Steel Metal Power up Upgrade Part
- Nozzle spring can help feeding and increase consistency
- Suitable for Tokyo Marui Hi-Capa / 1911 Series Airsoft Gas Blow Back GBB Pistol
- NOTE: As always, upgrading GBB require necessary skill & technique, consult expertise if needed