Polarstar FUSION ENGINE gearbox V2, Gen.3 for m4/m16 electric gun

GENERAL INFORMATIONS

New hi quality CNC gearbox with latest generation POLARSTAR technology
installed amazing HPA system uses hi pressure air to shot straight and fast the bb bullets!!

the new generation is made by a new tollerance sizes and is easy suitable for all those MARUI compatible electric gun such g&g, g&p, ka, dytac, etc...
installing instead of the original box will give you an incredible airsoft experience without the common mechanical troubles of the electric guns...
thanks to the common internal parts of the device, you can use the new FUSION ENGINE into other V.2 electric gun such MP5, G3 (need nozzle, trigger and selector plate replace).

comes with a all new FCU LCD micro board that can be easely installed into gun stock pipe together with the power lipo battery (not included)
FCU control functions are:
-Fire mode: semi/full/burst
-ROF (rate of fire) from 500 to 1800 RPM
-nozzle timing (pre cocking function)

by replacing the nozzle color (sold separately) FPS output can be selected according to your pleasure or power regulation

BOX INCLUDES

-FUSION ENGINE gearbox
-FCU board
-instructions
ATTENTION: high technical skills required and the device can only works with HPA dedicated power tank