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 3.0 CNC Hopup housing, Wire Cut Hopup C-ring And Roller Set
• FCC precision inner barrel equipped
• FCC Gen3 Advanced Complete CNC 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