Production Model: AIP008-MH-BK

- Replace the standard Hop-up base
- Suitable for Tokyo Marui Hi-Capa 5.1 / 4.3 / 1911 Series Airsoft Gas Blow Black GBB Pistol
- Design for Use With Hop-up Chamber and Inner Barrel
- As always, upgrading GBB requires necessary skill & technique, consult expertise if needed

Major Color : Black
Built Material: Aluminum