Sons of Liberty Broadsword L89 Upper 14.5" .223 Wylde

Sons of Liberty Gun Works Broadsword L89 Upper Receiver

The Broadsword-89 represents a significant advancement in AR-15 upper receiver design, combining traditional 2-piece construction with modern precision engineering.

Key Features

• Caliber: .223 Wylde (accepts both 5.56 NATO and .223 Remington ammunition)
• Barrel: 14.5" with pinned and welded HUXWRX suppressor mount (16" overall length)
• Rail System: 13.75" L89 Drivelock rail with anti-rotation tabs
• Finish: Matte black
• Fit: Standard AR-15 lower receivers

Construction Excellence

The L89 rail system delivers exceptional rigidity through several design innovations:

• Extended barrel nut for maximum surface contact
• Drivelock tensioning crossbolts that eliminate rail flex
• Keyed upper receiver face that interfaces directly with the L89 rail
• Stainless steel center index dowel for precise alignment
• Anti-rotation tabs prevent unwanted movement

These features work together to transform virtually any lower receiver into a match-grade rifle platform.

What's Included

• Broadsword L89 upper receiver
• 13.75" L89 rail system
• Pinned and welded suppressor mount

What You'll Need

This upper does not include a bolt carrier group or charging handle—source these separately to complete your build.

The Broadsword L89 is engineered for shooters who demand precision and reliability in a modular platform.