AIP Reinforced Loading Muzzle for Marui Hi-capa 4.3/5.1 GBB series

- As many round fired from the pistol, the stock loading muzzle will get old
- This part is important for loading each BB from the magazine after slide blow back
- Suitable for Tokyo Marui Hi-Capa 4.3/ 5.1 Series Airsoft Gas Blow Back GBB Pistol