Phase 5 Tactical UMS Universal Mini Stock
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.
- 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.*