Sons of Liberty Gun Works Broadsword Billet L89A 223 Wylde 14.5" Barreled Upper Receiver

The Sons of Liberty Gun Works Broadsword Billet/L89A Upper Receiver is an advanced precision upper group that integrates the L89A handguard, which adds ARCA rail functionality to the rigid DriveLock platform. Built on the reinforced Broadsword-89 billet receiver, it features thickened walls and a keyed interface with the handguard to virtually eliminate rail flex, providing a rock-solid foundation for optics and secondary aiming lasers. This model is equipped with a 14.5-inch Precision SPR 416R stainless steel barrel that is permanently pinned and welded (P& W) with a Plan B-compatible flash hider, ensuring a legal 16-inch non-NFA overall length while being ready for Rearden or Q-style suppressors. Sons of Liberty Gun Works Broadsword Billet/L89A .223 Wylde Precision 14.5" Bbl L89 Rail P& W Plan B FH Upper Receiver U-BS-L89A-556-145-PB