Sons of Liberty Gun Works Broadsword Upper Receiver, Upper Receiver, .223 Wylde, 16" Threaded Barrel, 5/8X24 Thread Pitch, Fits AR-15, Matte Finish, Black, Includes 15.25" L89 Rail, Does Not Include BCG or Charging Handle

The 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 all you to turn almost any lower receiver into match grade rifle. • 16 Precision SPR Barrel;5/8X24 Threads;No Muzzle Device;13.75 L89 Handguard