Designed for replace / upgrade your own factory inner barrel & Hopup, or you wanna build another upper or rifle must item!
Improved version now comes with FCC Wire Cut Hopup C-ring And Roller Set
- FCC 6.03mm precision inner barrel equipped
- FCC Gen2 Advanced Complete Hopup System equipped
- Fully assembled by FCC team, Ready to Use!!!
- Compatible with FCC TW, Celcius CTW & Systema PTW system.
- FCC Wire Cut Hopup C-ring and Roller Set