Product Description Designed for use with all M-LOK compatible hand guards and forends, the Magpul Polymer Rail Section offers a cost-effective way to attach 1913 Picatinny-spec accessories such as lights and vertical grips. Injection molded from a proprietary reinforced composite for excellent strength and durability while remaining lightweight, it features beveled ends to reduce snagging and eliminate sharp corners. All mounting hardware for direct attachment to M-LOK slots on aluminum or polymer hand guards and forends is included. This 7-slot section has a maximum overall length of 3.3 inches. Made in the U.S.A. Product Highlights Directly mounts to M-LOK slots using included T-nuts and screws Lightweight, reinforced polymer construction for durability 7-slot Picatinny interface for lights, grips, and other accessories Beveled ends to reduce snagging and sharp edges Recoil/impact mitigation lugs for secure, repeatable lock-up Specs Material: Reinforced polymer Color: Black Rail Interface: M-LOK Slots: 7 Overall Length: 3.3 in Compatibility: 1913 Picatinny-spec accessories Includes: M-LOK mounting hardware (T-nuts and screws); mounts to aluminum or polymer hand guards/forends Country of Manufacture: USA UPC: 873750000398 Manufacturer Part Number: MAG591-BLK Brand Name: Magpul Industries Disclaimer: We strive to provide accurate and up-to-date product descriptions, specifications, and images; however, errors or omissions may occasionally occur. We are not responsible for any inaccuracies or discrepancies in the content provided. If you notice anything incorrect or unclear, please contact us so we can correct it. When in doubt, we recommend verifying details directly with the product&';s manufacturer.