CQB (275mm) = 500fps, Carbine (380mm) = 550fps, Rifle (509mm) = 590fps
Specifications:
FE Nozzle Type: M4/M16 Series
Build Material: Aluminum
Color: Red
Bore Size: 0.1610 in.
Nozzle Length: 1.745 in.
External O-Ring Size: 014-70D
Internal O-Ring Size: 7mmx1.5mm-70D