Designed for use with all M-LOK compatible hand guards and forends, our 11-slot M-LOK Polymer Rail Sections provide a cost effective method of attaching 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, our M-LOK Polymer 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.11 usable slots and a max overall length of 4.9"9 usable slots and a max overall length of 4.1"7 usable slots and a max overall length of 3.3"5 usable slots and a max overall length of 2.5"3 usable slots and a max overall length of 1.6"____________________MOUNTS DIRECTLY TO M-LOK COMPATIBLE SYSTEMSMulti-directional mountingIntermediate spacing option____________________LIGHTWEIGHT REINFORCED POLYMERCammed T-nutsRecoil / impact mitigation lugs