FCU Fire Control Unit Universal (Rev 3, ASM) - PolarStar

 FCU Fire Control Unit Universal (Rev 3, ASM) - PolarStar

FCU Fire Control Unit Universal (Rev 3, ASM) - PolarStar  is a control unit designed for HPA systems, compatible with both dual solenoid and single solenoid configurations. It follows the original FCU design and provides intuitive control via LCD display and joystick.

The unit allows precise adjustment of system parameters directly through its menu. The Rev3 version features updated voltage regulators that improve energy efficiency and reduce overall size.

It is compact enough to fit inside an M4 buffer tube along with a small LiPo battery. The integrated Motor Control Unit (MCU) enables control of box magazines via a dedicated port.

Features
– control unit for HPA systems
– compatible with dual and single solenoid systems
– LCD display
– joystick control
– compact size 2.25" × 0.9"
– updated voltage regulators
– improved energy efficiency
– integrated MCU
– box magazine support
– fits in M4 buffer tube
– manufacturer PolarStar