Production Model : AIP-51-81

- 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

- As always, upgrading GBB require necessary skill & technique, consult expertise if needed

Major Color : Grey

Built Material : Plastic