SUREFIRE M640V + UNITY AXON SWITCH New Surefire M640V with Unity Axon Dual switch and M-Lok mount adapter. Needs UEE or DSE tailcap for switch use. Light only $360. Switch/Mount only, $150. All for 475. Cash only and/or would consider trade towards Glock 19 Gen 5 MOS or Gen 3. Pistol must be in like new OEM condition with under 500 rounds fired. In person near Idaho Falls area. Text is best at first as we don't answer unknown numbers. Thanks.