Designed for use with all M-Lok compatible handguards and forends, M-Lok aluminum rail sections allow the attachment of various 1913 Picatinny spec rail-mounted accessories such as lights, vertical grips, etc. Machined from milspec-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 handguards and forends is included. 5-slots, max overall length of 2-1/2 inches. Features: Designed for use with all M-Lok compatible handguards and forends Machined from Mil-Spec anodized aluminum for durability and lightweight Beveled edges reduce snagging Made in USA