6.03 Precision Inner Barrel 374mm (14.5" carbine) - FCC

FCC 6.03mm Precision Inner Barrel 374mm ( For 14.5" Barrel ) Designed for replace or upgrade your own factory inner barrels
Precise cut & machined from Hi-grade Brass 
Fine polished by hand 
Compatible with FCC TW, Celcius CTW & Systema PTW system.