The Magpul MAG408 MOE Polymer Accessory Rail 9-Slot is designed for use with all M-LOK compatible hand guards and forends, providing a versatile platform for mounting 1913 Picatinny spec accessories such as lights, vertical grips, and more. Machined from milspec-anodized aluminum, this rail section offers exceptional durability, with beveled ends to minimize snagging and eliminate sharp edges. It comes complete with all necessary hardware for direct attachment to M-LOK slots on aluminum or polymer hand guards and forends. Featuring 9 slots and a maximum overall length of 4.1 inches, this accessory rail is proudly made in the U.S.A.