- If your hop up adjustment is not having a significant effect on the hop up of your BB, your hop up packing is probably worn down
- Suitable for Tokyo Marui Hi-Capa 5.1 / 4.3 / 1911 / G17 Series Airsoft Gas Blow Black GBB Pistol
- As always, upgrading GBB require necessary skill & technique, consult expertise if needed
Major Color : Grey
Payment & Security
Your payment information is processed securely. We do not store credit card details nor have access to your credit card information.