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.

Utilizing two heavy duty set screws, the UMS offers easy installation on receiver extension tubes.

Includes:

• (2) Set screws
• (1) Extended hex key

*The Universal Mini Stock (UMS) is a universal mini stock to be installed on a rifle. Installing a stock on a “pistol” would be considered an SBR (short barreled rifle). If you have not paid the fees and received an approved tax stamp from the ATF, it will be illegal to possess an SBR.*

Compatibility:

• 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.*