Sons of Liberty Gun Works Broadsword M4-89 Stripped AR-15 Upper Receiver

The Sons of Liberty Gun Works Broadsword M4-89 Stripped Upper Receiver gives builders a billet foundation designed to match the rest of the Broadsword component line. Part of the Broadsword Billet series, this receiver is machined from 7075-T6 aluminum for a precise, cohesive build.

Features:

• Broadsword Billet upper receiver
• 7075-T6 billet aluminum construction
• Hardcoat anodized black finish
• Matches the M4-89 handguard and rail
• Made in the USA

Machined from 7075-T6 billet aluminum and finished in a hardcoat anodized black coating, this upper receiver is built to pair seamlessly with the Broadsword billet lower receiver and the M4-89 handguard and rail, giving builders a matched-component system rather than mixing parts from different design languages. The billet machining keeps tolerances tight across the entire Broadsword lineup.

As a stripped upper, it gives builders full control over their choice of bolt carrier group, charging handle, and barrel, while the Broadsword-specific machining ensures a consistent fit and finish across the rest of the assembly. It is a high-quality option for a build centered entirely around the Broadsword billet component family.

Sons of Liberty Gun Works is a custom rifle manufacturer in the United States that specializes in the AR-15 platform, known for function-over-form components built for both duty and civilian use.