Description
The Ultradyne UD Arca Dynalock Rail is a compact accessory rail designed to expand mounting options on compatible handguards. It measures 6.15 inches in length and is finished in black anodize. The rail installs using the included M-LOK fasteners or may be fitted by a qualified gunsmith. It provides compatibility with both ARCA clamp-style accessories and Ultradyne’s Dynalock system for versatile accessory placement.
Key Specifications
- The rail measures 6.15 inches in length for compact accessory mounting.
- The model is the UD Arca Dynalock Rail.
- The finish is Black Anodized for corrosion resistance and a low-profile appearance.
- The color is specified as Black.
- The product type is listed as a Rail for handguard accessory mounting.
- The rail is designed to fit M-LOK compatible handguards using the supplied fasteners.
- Compatibility includes ARCA clamp-style accessories and Dynalock-mounted items.
- The rail enables use of the Orbit Ballhead with Dynalock as a commonly used enhancement.
Compact and purpose-built, the Ultradyne UD Arca Dynalock Rail offers a streamlined way to add precision mounting options without excess length. Its dual compatibility with ARCA and Dynalock systems makes it a practical choice for users seeking flexible accessory placement on M-LOK handguards.







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