Product DescriptionThe Ultradyne USA UD Arca Dynalock Rail is a rugged, precision accessory rail designed to add both Arca and Dynalock compatibility to your firearm. It installs using the included M-LOK fasteners (or by a qualified gunsmith) and is ideal for shooters who want quick, stable mounting for Arca clamp accessories. A popular upgrade is pairing it with the Orbit Ballhead using Dynalock, while maintaining compatibility with other Arca clamp systems. Built from 6061-T6 aluminum with a hardcoat anodized finish, this 12.45-inch rail delivers strength, corrosion resistance, and dependable performance.Product Highlights Arca + Dynalock compatible rail for versatile accessory mounting options M-LOK compatible installation using provided fasteners 6061-T6 aluminum construction for strength with manageable weight Hardcoat anodized finish for enhanced wear and corrosion resistance 12.45-inch length provides a long mounting surface for positioning flexibility Specs Brand: Ultradyne USA Manufacturer Part Number: UD20083 UPC: 850043428466 Model: UD Arca Dynalock Rail Material: 6061-T6 Aluminum Finish: Hardcoat Anodized Mounting Interface: M-LOK Length: 12.45 in Weight: 8.4 oz Color: Black Approx. Dimensions (L x W x H): 12.45 in x 1.50 in x 0.31 in 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.