Designed for use with all M-LOK compatible Hand Guards and Forends, M-LOK Polymer Rail Sections provide a cost effective method of attaching various 1913 Picatinny spec rail-mounted accessories such as lights and vertical grips. Injection molded from a proprietary reinforced composite for enhanced strength and durability, our M-LOK Polymer Rail Sections are light weight and feature beveled ends to reduce snagging and eliminate sharp corners and edges.Specifications and Features:Compatible With: AR-10, LR-308Country of Origin: United States of AmericaMaterial: PolymerNumber of Slots: 5