Airsoftjunkiez PolarStar JACK MAC10 Drop-In Kit Available
OptimusPrime
29 Jun 2021
Demo by Airsoftjunkiez of their PolarStar JACK MAC10 Drop-In Kit. This kit will include the Special Polarstar JACK engine designed for the kit, with JACK FCU; Custom 3D printed RESIN Chassis for the JACK engine with full auto micro-switch; and mini connection circuit board. Also included are a trigger wire harness and custom length JACK FCU wire harness.