Switchboard Kit, S&T Tavor 21 (JACK/F1 Only) FCU There are no separate parts

There are no separate parts to install and the only parts needing to be retained from the gearbox is the trigger

the semi-auto-only variant for use in AEG gearboxes

so each pack includes four sets of bushings covering the most common size range

F2 HPA conversion kits can also be configured for use in gel ball systems

1x 010 (Buna 70) - Front Poppet 1x M1

Switchboard Kit, S&T Tavor 21 (JACK/F1 Only) FCU There are no separate partsFor 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 included trigger leads are soldered to the original AEG trigger switch and then are plugged into the trigger header on the board. It also has a microswitch on the back which interfaces with the rifle's selector controls. Header Identification: J1 = Main Harness, J2 = Trigger, J3 = Solenoid