The Polar Star Air Nozzles come in different bore diameters allowing players to change their FPS for different occasions. The user can easily shift the velocity adjustment up or down depending on FPS target range.
Polar Star Air Nozzle FPS list:
Green Nozzle - CQB (275mm) = 313fps, Carbine (380mm) = 325fps, Rifle (509mm) = 363fps
Gold Nozzle - CQB (275mm) = 350fps, Carbine (380mm) = 366fps, Rifle (509mm) = 400fps
Blue Nozzle - CQB (275mm) = 380fps, Carbine (380mm) = 405fps, Rifle (509mm) = 435fps
Black Nozzle - CQB (275mm) = 423fps, Carbine (380mm) = 457fps, Rifle (509mm) = 476fps
Silver Nozzle - CQB (275mm) = 446fps, Carbine (380mm) = 494fps, Rifle (509mm) = 514fps
Red Nozzle - CQB (275mm) = 500fps, Carbine (380mm) = 550fps, Rifle (509mm) = 590fps