The 5KU Outer Barrel is a lightweight aluminium constructed outer barrel designed for the Tokyo Marui Hi-Capa 5.1 series gas airsoft pistols. This barrel has an internally threaded 11mm CW allowing you to add tracers to your airsoft pistol.
The 5KU Outer Barrel is a lightweight aluminium constructed outer barrel designed for the Tokyo Marui Hi-Capa 5.1 series gas airsoft pistols. This barrel has an internally threaded 11mm CW allowing you to add tracers to your airsoft pistol.