Guns Modify 7075 Aluminum Valve Blocker for Marui G17/Hi-Capa GBB

Guns Modify 7075 Aluminum Valve Blocker for Marui G17/Hi-Capa GBB 7075 Aluminum Construction Reinforced Part for Upgrading your Gas Blow Back Pistol This part is located behind the Loading Muzzle & Inside the Cylinder Increase the stability of each shot Design for replace the original ones with 7075 Aluminium ones that will be much more durable Suitable for Tokyo Marui G17/ Hi-Capa Series Airsoft Gas Blow Back GBB Pistol Best in conjunction with all Guarder upgrade parts