Novritsch SSP5 Custom Outer Barrel (Various Colours)Customize your SSP5 to the max with these CNC machined coloured outer barrels! They have been manufactured in limited quantities, meaning you will almost certainly attract peoples gaze. It is not compatible with the 4. 3 & 5. 1. If youre looking for the 6 black spare part, check out the 6 Outer Barrel. Colors may differ between production series due to anodizing process.