Polarstar Fusion Engine Nozzle, M4/M16 - Black

  • $17.95

This nozzle is for the PolarStar Fusion Engine. This nozzle allows you to regulate your maximum FPS output based on your barrel length.

The following is a diagram showing the approximate FPS output of the red nozzle corresponding to each of the following barrel lengths with .20g BBs at max input pressure 120PSI:
CQB (275mm) = 423fps, Carbine (380mm) = 457fps, Rifle (509mm) = 476fps