Salmon River Armory - Universal Mounting Rail

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The UMR (universal mounting rail) is a lightweight, flush mounting rail system designed to add much needed modularity to the forend of your favorite carbon fiber, fiberglass or other solid fill rifle stock. The UMR incorporates two standard M-LOK slots as well as fore and aft QD attachment points. For additional flexibility, the top QD cup is a locking style which allows indexing in 45-degree increments.

The UMR is CNC machined from aircraft grade aluminum and is then finished with a durable and attractive cerakote coating. The rail comes with all mounting hardware and will require gunsmithing for proper installation.

***The manufacturer provides inletting services and can install the UMR on your stock. You will need to call to check stock compatibility, pricing and for shipping instructions. Contact them at***

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1 Review

  • 5
    Salmon river UMR

    Published by Roberto M on Jan 27th 2022

    This is a very well machine piece of mlok. It won’t require a gunsmith that way very very steady hand. It ended up not working for my application but that’s because I messed up my stock not because of the UMR