Production Model : AIP-51-22
- Enhanced recoil spring
- Help the slide reset faster after every shot allowing for a faster rate of fire
- Suitable for Marui / WA Hi-Capa 5.1 / 4.3 Series Airsoft Gas Blow Black GBB Pistol
- As always, upgrading GBB require necessary skill & technique, consult expertise if needed
Major Color : Gold
Built Material : Metal