Phase 5 Universal Mini Stock (UMS)


28 in stock

28 in stock

SKU: P5-UMS Categories: , ,


The Phase 5 Universal Mini Stock (UMS) is a fixed stock solution for your rifle that fits on a variety of buffer tubes and receiver extensions. Proudly made in the USA from USA sourced raw billet 6061-T6 aluminum. – Lighter than most polymer adjustable stocks at (5.7 oz.) –  and it’s easy to install.

UMS Stock
(2) Set screws
(1) Extended hex key


Mil-Spec 6-position carbine receiver extensions
Phase 5™ HexOne Buffer Tube
Phase 5™ Hex-2 Buffer Tube
Most cylindrical buffer tubes, 1.10”-1.25” OD*
Rifle length receiver extension tube*The set screw will be more secure on the cylindrical buffer tubes if you put a small dimple on the tube.*

Manufacturer Part Number: UMS

Dimensions: 5 x 1-3/4 x 2-1/4 inches

Weight: 5.7 oz.

Material: 6061-T6

Aluminum Finish: Black MIL-A-8625 Type III Class 2 hard coat anodizing

Additional information



No additional specifications are currently available.

MSR Arms Advisor

The MSR Arms Advisor articles are intended to answer some of the most common shooter questions and assist our customers in making the best purchasing decision possible. There are currently no articles available for this item. If you would like help selecting the right part for your needs, please email our sales team at:


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