PTS Unity Tactical AXON Dual-Device Control Switch ModularPTS Unity Tactical AXON Dual Device Control Switch Modular. Made out of reinforced polymer. Fully licensed by Unity Tactical. High quality rubber buttons. Mounts easily to Picatinny RIS. Both buttons provide momentary activation and constant on options. With the angled button, a half press gives momentary activation and a full press click provides constant on. With the flat button, it is single or double press respectively. Angled button layout