Allows the attachment of various MIL-STD-1913 Picatinny spec rail-mounted accessories; Directly interfaces with the popular Surefire M300/M600 series Scout Lights or Magpul Light Mount V-Block and Rings; Cantilevered nature of the rail improves ergonomics and optimizes accessory positioning while keeping a slim, low profile; Beveled ends and corners reduce snagging and sharp edges; Molded from heavy-duty reinforced polymer; Includes all hardware necessary for attachment directly to M-LOK Slots; Made in the USA; Black Finish