It quickly mounts onto any 20mm rail integration system (RIS).
ASG Super Xenon Tactical Flashlight (2) CR123A batteries, hat clip, and instruction manual The ASG Super Xenon 80 Lumen Tactical Rail Mounted Flashlight with hat clip is an effective solution to low lighting situations. The power selector is at finger distance when attached to a pistol and is easily switched on or off with a narrow finger movement either up or down.