Product DescriptionThe Battle Arms Development Workhorse M-LOK rail system is a lightweight, slimline free-float handguard designed for Mil-Spec AR-15 carbines. It features M-LOK mounting at the 3, 6, and 9 o'clock positions with additional skeletonized cutouts to reduce unnecessary weight while maintaining rigidity. A full-length, mil-spec 1913 Picatinny top rail at the 12 o'clock position provides a solid mounting surface for sights and accessories, with notch cuts intended to match BAD upper receivers and further trim weight. Constructed from 6061-T6 aluminum and finished with a Type 3 black hardcoat anodizing, the Workhorse is built for durable performance while keeping your rifle agile. Fits all Mil-Spec AR-15 upper receivers and provides a 1.36" inside diameter for clearance.Product Highlights Free-float M-LOK handguard for Mil-Spec AR-15 upper receivers to help prevent barrel contact interference M-LOK slots at 3, 6, and 9 o'clock plus extensive skeletonized lightening cuts to reduce overall weight Full-length 1913 Picatinny top rail at 12 o'clock for optics, irons, and accessory mounting 6061-T6 aluminum construction with Type 3 black hardcoat anodized finish for strength and corrosion resistance 1.36" internal diameter for practical clearance and accessory compatibilitySpecs Brand: Battle Arms Development Manufacturer Part Number: BAD-WH-13-MLOK UPC: 810033784620 Product Type: AR-15 free-float handguard / rail system Length: 13 in Mounting Interface: M-LOK (3, 6, 9 o'clock) with full-length 1913 Picatinny top rail (12 o'clock) Material: 6061-T6 Aluminum Finish/Color: Type 3 Black Hardcoat Anodized Inside Diameter: 1.36 in Weight: 9.6 oz (with barrel nut) Compatibility: Fits all Mil-Spec AR-15 upper receivers Included: Barrel nut (per distributor listing)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.