Product DescriptionThe Geissele Automatics Super Modular Rail (SMR) MK16 is a premium free-float handguard built for hard use on AR-15 platforms. It mounts using an updated Geissele barrel nut design for straightforward installation and long-term serviceability, while delivering exceptional rigidity. Anti-rotation tabs and set-screws help keep the rail locked in place under demanding conditions. A full-length M1913 Picatinny top rail and M-LOK slots on every quadrant provide extensive flexibility for mounting lights, grips, optics accessories, and other mission-essential gear. Precision machined from strong, lightweight 7000 series aluminum and finished with a durable Type 3 hardcoat anodize in black, the MK16 is designed to perform when it matters most.Product Highlights Free-float Geissele SMR MK16 handguard engineered for superior rigidity and hard-use reliability Anti-rotation tabs and set-screws help prevent rail movement during extreme use Full-length M1913 Picatinny top rail for robust, consistent accessory mounting M-LOK slots on every quadrant for maximum modular customization 7000 series aluminum construction with Type 3 hardcoat anodized black finish for durabilitySpecs Brand: Geissele Automatics Model: Super Modular Rail (SMR) MK16 Length: 13.5 in Mounting Interface: M-LOK Top Rail: M1913 Picatinny Material: 7000 Series Aluminum Finish: Type 3 Hardcoat Anodized (Black) Weight: 13.4 oz Inner Diameter: 1.26 in Outer Diameter: 1.59 in Height: 2.39 in Country of Origin: USA Manufacturer Part Number: 05-650B UPC: 817953027134Disclaimer: 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.