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.This type of switch is great because it allows you to activate your light without removing your finger off the trigger guard or divert your attention on whats ahead of you while fumbling to find a switch (in the dark).