Designed for use with the MOE-Hand Guards and Forends, the Magpul MAG406 5 Slot Polymer Picatinny Rail Section allows the attachment of various 1913 Picatinny spec rail-mounted accessories such as lights, vertical grips, etc. Injection molded from a proprietary reinforced composite for enhanced strength and durability while remaining lightweight, Rail Sections also feature beveled ends to reduce snagging and eliminate sharp corners and edges.