This enhanced barrel shroud is designed to fit the KRISS Vector carbine with a 16 barrel. It gives the carbine a unique futuristic look. It is simple to install with no gunsmithing required. The shroud is compatible with Gen I and Gen II KRISS Vector CRB carbines. It is crafted from aircraft grade aluminum and has a matte black finish. - Aluminum - Easy to install - Fits both Gen I and Gen II models - Matte black