Designed for use with all M-LOK compatible hand guards and forends our 9-slot M-LOK Aluminum Rail Sections allow the attachment of various 1913 Picatinny-Spec rail-mounted accessories such as lights vertical grips etc. Machined from Mil-Spec anodized aluminum M-LOK Rail Sections also feature beveled ends to reduce snagging and eliminate sharp corners and edges. All hardware necessary for attachment directly to M-LOK slots on either aluminum or polymer hand guards and forends is included.