The Polarstar V2 Universal Trigger Board (F2, Jack, F1) 2022 edition is in stock at Airsoftjunkiez... "This switchboard is designed to replace the original trolley type trigger switch in a traditional TM spec V2 gearbox. It is not compatible with variants of the V2 gearbox which use a snap-action/microswitch trigger such as in the Ares V2 gearboxes.