Sons of Liberty Gun Works AR-15 L89 Broadsword Pinned and Welded Barreled Upper Receiver 223 Wylde 13.75" with NOX Flash Hider

The Sons of Liberty Gun Works Broadsword-89 Uppers and Drivelock (89 Series) rails provide arguably the most rigid interface on the market using traditional 2-piece AR15 construction. The extended barrel nut, Drivelock tensioning crossbolts, and keyed upper receiver face hugging the 89 series rails, with their anti-rotation tabs and stainless steel center index dowel allow you to turn almost any lower receiver into match grade rifle. While the Billet Broadsword upper receivers are purpose built