The Ultradyne UD Arca Dynalock Rail, MLOK Compatible, 6.15in Long, Aluminum Construction, Black is a rail section that fits M-LOK.
The UD Arca Dynalock Rail can be installed using the M-LOK fasteners provided or by a qualified gunsmith. By upgrading to the Arca Dynalock Rail, you can enjoy the benefits of both Arca and Dynalock accessories on your firearm. The most popular enhancement is the ability to use the Orbit Ballhead with Dynalock, all other Arca Clamp accessories are also compatible.
Rail sections add mounting space exactly where you need it on the handguard for lights, lasers, grips or bipods. Check the attachment type and length suit your handguard and the accessory you plan to mount.
How It Compares
Browse all handguards & Rail Sections and the full Ultradyne range.
Key Features
- 6061 T6 Aluminum
- Hardcoat Anodized
- 4.2 oz
- 6.15" Long
- MLOK Compatible
- Aluminum Construction
- Anodized Finish
Compatibility & Fitment
Fits M-LOK. Not sure it fits? Contact us before you order and we will check for you.
Technical Specifications
Brand | Ultradyne |
Type | Rail Section |
Model | UD Arca Dynalock Rail |
Size | 6.15" |
Finish | Anodized |
Color | Black |
MPN | UD20081 |
UPC | 850043428442 |
US Shipping & Support
Genuine Ultradyne, brand new and covered by the manufacturer's warranty. Shipping is free on US orders of $99 or more, and smaller orders ship from $6.95. Questions about fit, mounting or which option suits your setup? Our team is glad to help before and after your purchase.
Frequently Asked Questions
What does the UD Arca Dynalock Rail fit?
Fits M-LOK.
Is this a genuine Ultradyne product?
Yes. It is a new, genuine Ultradyne product sourced through an authorized US distributor.
How much is shipping?
Shipping is free on US orders of $99 or more. Orders under $99 ship at a flat rate from $6.95 to $9.95, depending on the order total.