Polar Star Fusion Engine MK17 Nozzle PS MK17 NOZZLE RED

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