Ultimate Kit (for GHK G17)
※ This product is recommended to have DIY assembly capabilities, please assemble by professionals.
※ To use CO2 magazine, the users need to replace to Ultimate kit set first to avoid unnecessary damage.
Include: MIM Steel HOP-UP set, Steel Inner Barrel, MIM Steel Trigger Locator,
Enchanced Recoil Spring Assy, High Preesure Gas Piston