For SureFire® Scout Light® - KeyMod Version · Fully ambidextrous: made to mount flush or cantilever off either the left or right side of the rail system. · Designed for use with Surefire’s™ Scout Light mounting interface. · Multiple mounting holes for ideal rail placement. · Designed to mount on the 3 or 9 o’clock rail positions. · Durable Aluminum construction. Intently designed to be low-profile and snag-free. · Patent Pending mounting system. · Minimal added weight, 0.5 oz.