5KU Threaded Tornado Aluminium Outer Barrel - 5.1 - Gloss Blue
The 5KU Outer Barrel is a lightweight aluminum constructed fluted 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.
Non-drop and regarded as one of the best upgrades for your capa.
* These are a tight fit, which is great news (Less inner barrel wobble) O-Rings not really needed.