The Magpul RVG M-LOK Adapter Rail is optimized for the attachment of the Magpul RVG to all M-LOK compatible hand guards and forends. Made from the same high quality material as other Magpul Polymer Rails, the RVG M-LOK Adapter Rail has the same footprint as the RVG and lower profile than a standard Picatinny Rail to ensure a seamless transition between the different components. All hardware necessary for attachment directly to M-LOK slots on compatible aluminum or polymer hand guards and forends in included. Max overall length of 1.9". Made in the USA.