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The Ultradyne UD Arca Dynalock Rail turns an ordinary M-LOK handguard into a versatile Arca-Swiss and Dynalock mounting platform. At 9.3 inches, it gives you a generous run of rail to slide a tripod clamp, bipod, or barricade stop forward and back until the balance feels right, then clamp it down with confidence. It bolts on using the four included M-LOK fasteners, so most folks can get it mounted at home with a simple Allen key.
Arca rails caught on with precision and hunting crowds for a reason. Instead of fixed mounting points, the 45-degree dovetail lets a clamp grip anywhere along the rail, so you can nudge your support gear a hair one way or the other without unbolting anything. That kind of quick, tool-free repositioning is a real advantage when you are dropping onto a tripod off a barricade or setting up on uneven ground where prone just is not happening.
Ultradyne machines this rail from 6061-T6 aluminum and gives it a hardcoat anodized finish, so it holds up to abuse without adding much bulk. The 9.3-inch version tips the scales at roughly 6.3 ounces and measures about 1.5 inches wide by .315 inches tall, keeping things low and slim under the forend. Twelve M-LOK slot locations along the length mean you have plenty of options for spacing the mount to your handguard.
The standout perk here is dual compatibility. You get access to Ultradyne's Dynalock accessories, including the popular Orbit Ballhead, while still working with any standard Arca clamp gear you already own. If you run a tripod for glassing and shooting both, this rail lets you standardize your rifle to the same interface as your spotter or binoculars, so one clamp system covers the whole kit.
It mounts to any M-LOK handguard or forend using the four included M-LOK fasteners. The slot spacing is set up to line up with standard M-LOK locations, so you can position it to fit your setup. Most people install it at home with a basic Allen key, or a gunsmith can handle it if you prefer.
Yes, that is the whole point of the design. The rail accepts standard Arca-Swiss clamps along with Ultradyne's Dynalock accessories, including the Orbit Ballhead. That dual compatibility lets you run gear you already own while opening the door to the Dynalock lineup.
This version measures 9.3 inches long, about 1.5 inches wide, and roughly .315 inches tall. It weighs around 6.3 ounces, so it adds a stable clamping surface without loading your forend down. The extra length gives you room to slide a bipod or tripod clamp fore and aft to dial in balance.
An Arca rail lets a clamp grip anywhere along its length, so you can reposition your support gear without unbolting hardware. That makes quick tripod and bipod adjustments a lot smoother, especially on uneven terrain or when transitioning between positions. It also standardizes your rifle to the same clamp interface used on many spotting scopes and binoculars.
| UPC | 850043428459 |
|---|---|
| Manufacturer | |
| Manufacturer Part Number | UD20082 |
| Color | Black |
| Length | 9.3'' |
| Model | |
| Product Type | Rail |
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