This PolarStar FCU makes for a great replacement if you find yourself with a damaged or lost FCU. This FCU works with PolarStar HPA Units.

 

This latest PolarStar FCU (Fire Control Unit) Revision 3 is for use with the following PolarStar Engine:

• PolarStar JACK
• PolarStar F1
• PolarStar F2
• PolarStar Fusion Engine (FE)
• and other future HPA units that are developed by PolarStar Airsoft unless otherwise noted.

Key features of the PolarStar FCU 2017 R3 FCU

• More compact size
• More Energy Efficient
• Blue in color, everyone loves Blue!
• Features same high efficiency voltage regulators and integrated box magazine controller as Mini FCU
• Retains LCD Screen
• More robust joystick for ease navigating menus and adjusting settings