Product Description The Ultradyne USA UD Arca Dynalock Rail is a precision 9.30-inch accessory rail designed to mount to compatible forends using the included M-LOK fasteners (or installation by a qualified gunsmith). Upgrading to the Arca Dynalock Rail allows you to run both Arca and Dynalock accessories on your firearm, including popular setups like the Orbit Ballhead with Dynalock, while maintaining compatibility with standard Arca clamp accessories. Built from durable 6061-T6 aluminum with a hardcoat anodized finish, it delivers a strong, lightweight mounting solution for serious shooting applications. Product Highlights Dual-interface design supports Arca clamp accessories and Ultradyne Dynalock-compatible accessories M-LOK compatible mounting for secure attachment to modern handguards/forends Machined from 6061-T6 aluminum for strength with low weight (6.3 oz) Hardcoat anodized finish for enhanced wear and corrosion resistance 9.30-inch length provides extended positioning for bipods, ballheads, and other support accessories Specs Brand Name: Ultradyne USA Manufacturer Part Number: UD20082 UPC: 850043428459 Model: UD Arca Dynalock Rail Compatibility: M-LOK Accessory Interface: Arca + Dynalock Material: 6061-T6 Aluminum Finish: Hardcoat Anodized Color: Black Length: 9.30 in Width: 1.50 in Height: 0.315 in Weight: 6.3 oz Country of Manufacture: USA 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.