ODIN WORKS M-Lok to Arca 3 Way Rail


The M-LOK accessory rail allows you to mount sights, lights, and other tactical accessories to your M-LOK forend.

Technical Specs

  • Includes M-LOK nuts, screws, and hex wrench.
  • Weight: 1.4 oz (including M-LOK nuts and screws).
  • 5″ long.
  • 12 slots.
  • Accessory Rail can be placed at 3,6, and 9 o’clock positions and can be joined to create continuous Pic Spec Rail.
  • Made from 6061-T6.

In stock

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The ARCA Rail was designed to give you the flexibility and ease of use that you need for mounting your rifle. Mount your Arca Swiss tri-pod or bi-pod, picatinny rail accessories, and a Harris bi-pod all on one mount! The ARCA 3-Way Rail beautifully incorporates 3 of your popular accessory mounting options. We’ve all been there, having to take off a bi-pod mount and switch to a tri-pod mount at the most inconvenient time. Now, you have an all in one solution to mounting your rifle, no hassles guaranteed.

The ARCA 3-Way Rail allows for Arca Swiss quick release accessories to be seamlessly attached to your rifle. Also incorporated to the design is a picatinny rail for accessories like flashlight mounts, laser, or a handstop/foregrip. Already have a Harris bi-pod? This rail allows for that too. With so many brands of accessories and different mounting styles, having one system to handle it all is almost impossible. The 3-way ARCA Rail solves that problem and gives you one solution for multiple accessories with different mounting styles.

Extra cuts are made for mounting clearance, weight reduction, and to give the rails a styled look. The ARCA rail is compatible with any MLok rail and is machined from billet 6061 aluminum and is hard anodized. If you’ve been looking for the best tri-pod or bi-pod mounting system for your AR, the search for both is over.


  • M-LOK to Arca
  • M-LOK to Harris Bi-Pod
  • M-LOK to Picatinny
  • Lightweight design
  • 6061-T6 aluminum
  • Black Hard Anodized
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