Product DescriptionUpgrade your AR-15 with the Midwest Industries Gen 4 M-Series 15" M-LOK handguard, built for a slim, lightweight, and highly adaptable free-float setup. This handguard features a continuous Mil-Spec M1913 Picatinny top rail for optics and backup sights, plus M-LOK accessory mounting slots on seven flats along the length for lights, grips, and other mission-ready add-ons. Machined from 6061 aluminum and protected by a Type III hard coat anodized finish, it's designed to be durable while keeping weight down. A complete installation kit is included, featuring the barrel nut, barrel nut wrench, torque plate, and a 5-slot polymer rail section.Product Highlights Continuous MIL-STD-1913 Picatinny top rail for reliable optic and sight mounting M-LOK mounting slots on 7 flats provide flexible accessory placement along the handguard Super-slim profile (1.5" outside diameter / 1.3" inside diameter) for comfortable handling 6061 aluminum construction with Type III hard coat anodized finish for strength and corrosion resistance Includes barrel nut, barrel nut wrench, torque plate, and a 5-slot polymer rail section for installation and setupSpecs Brand: Midwest Industries Manufacturer Part Number: MI-G4M15 UPC: 812102033028 Platform Compatibility: AR-15 / AR platform Handguard Type: Free-Float Length: 15 in Accessory Interface: M-LOK (7 flats) Top Rail: Mil-Spec M1913 Picatinny (continuous) Material: 6061 aluminum Finish/Color: Type III hard coat anodized, Black Outside Diameter: 1.5 in Inside Diameter: 1.3 in Sling Mounts: Four anti-rotation QD sling swivel mounting points Weight: 11.5 oz Included: Barrel nut, barrel nut wrench, torque plate, 5-slot polymer rail section Country of Manufacture: USADisclaimer: 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.