![FCUs](http://extremeairsoftri.com/cdn/shop/collections/FCU_1350x1013.heic?v=1659980907)
FCUs
Filters
PolarStar F1 F2 Jack Universal V2 Switchboard (Fusion Engine Excluded)
The Polarstar F1 F2 Jack Universal switchboard V2 is designed to replace the trigger switch of a traditional TM spec v2 gearbox. Will not work on ...
View full detailsPolarStar Fusion Engine Rev3 Fire Control Unit
Features Updates Early Version Fusion Engine FCU to Revision 3 Easy, Drop-in Installation Pre-Wired, No Soldering Required Upgraded High Quality ...
View full detailsPolarStar JACK/F1 V3 Switchboard (Fusion Engine Excluded)
Switchboard for use with dual or single solenoid cylinder conversion kits such as the F2, F1 or JACK. It is NOT compatible with the Fusion Engine....
View full detailsPolarStar Fusion Engine Switch Board Rev2 Gen 3
Features Compatible with new V2 Gen3 Fusion Engines Easy, Drop-in Installation Pre-Wired, No Soldering Required Designed for use with Fusion Engi...
View full detailsASCU Fire Control System - Gen 5
Features Optimized dual MOSFET combination for increased reliability and performance Reinforced design with full polymer encasing with improved s...
View full detailsWolverine Airsoft Electronic Water Resistant Control Board for MTW HPA M4
Features Direct drop-in replacement part Fits Wolverine MTW HPA M4 Airsoft Rifles Proprietary Electronics board designed for the MTW Water-Resist...
View full detailsGorilla mFCU
The Gorilla MFCU is not a fire control unit as you know it but designed to fit HPA gearboxes and be a triggerboardat the same time. Another trans...
View full detailsPolarstar JACK/F1 S&T Tavor 21 Switchboard (Fusion Engine Excluded)
For use with single solenoid systems (JACK/F1) only. Not compatible with the F2.Switchboard for the S&T/Elite Force Tavor TAR-21 series. The in...
View full detailsMTW Spartan Electronic Control Board
Replacement control board for the MTW Billet Series, the Spartan Electronics board is a trigger board and FCU all-in-one. The key advantage of the ...
View full details