The Sons of Liberty Gun Works Broadsword-89 upper receiver in 6mm Max delivers a precision-built platform engineered specifically for shooters who demand accuracy and durability under demanding field conditions. This 16-inch barreled upper features a 15-inch M89 rail integration with a Nox muzzle device, combining a modern handguard lockup system with reinforced receiver geometry designed to minimize point-of-impact shift even under aggressive bipod and barricade shooting. If you're building a long-range hunting or competition rifle and want a top-tier upper half that won't let you down, the Broadsword-89 represents SOLGW's latest refinement of their proven receiver platform.

What sets the Broadsword-89 apart from standard AR-pattern uppers is its proprietary M89/L89 handguard compatibility and the relief cuts machined into the receiver face. This design creates an exceptionally stout lockup—the most rigid handguard interface SOLGW has tested—meaning less flex when you're pressing hard into a bag or bipod. The result is consistency shot after shot, a critical advantage when precision matters. The upper receiver itself is significantly reinforced along its entire profile to stiffen the barrel-to-optics relationship, reducing harmonic distortion and keeping your zero rock solid.

SOLGW also thought about ergonomics: the forward assist has been repositioned to clear the charging handle for left-handed shooters, a detail that speaks to their attention to actual field use. Pair this upper with a quality bolt carrier group and buffer system, and you've got the foundation for a rifle that handles serious work—whether you're pursuing long-range game, running precision matches, or setting up a solid duty build. The 6mm Max cartridge in this configuration gives you a flat-shooting, wind-bucking option popular among hunters and competitors who want energy at distance.

The Sons of Liberty Gun Works Broadsword-89 upper receiver in 6mm Max delivers a precision-built platform engineered specifically for shooters who demand accuracy and durability under demanding field conditions. This 16-inch barreled upper features a 15-inch M89 rail integration with a Nox muzzle device, combining a modern handguard lockup system with reinforced receiver geometry designed to minimize point-of-impact shift even under aggressive bipod and barricade shooting. If you're building a long-range hunting or competition rifle and want a top-tier upper half that won't let you down, the Broadsword-89 represents SOLGW's latest refinement of their proven receiver platform.

What sets the Broadsword-89 apart from standard AR-pattern uppers is its proprietary M89/L89 handguard compatibility and the relief cuts machined into the receiver face. This design creates an exceptionally stout lockup—the most rigid handguard interface SOLGW has tested—meaning less flex when you're pressing hard into a bag or bipod. The result is consistency shot after shot, a critical advantage when precision matters. The upper receiver itself is significantly reinforced along its entire profile to stiffen the barrel-to-optics relationship, reducing harmonic distortion and keeping your zero rock solid.

SOLGW also thought about ergonomics: the forward assist has been repositioned to clear the charging handle for left-handed shooters, a detail that speaks to their attention to actual field use. Pair this upper with a quality bolt carrier group and buffer system, and you've got the foundation for a rifle that handles serious work—whether you're pursuing long-range game, running precision matches, or setting up a solid duty build. The 6mm Max cartridge in this configuration gives you a flat-shooting, wind-bucking option popular among hunters and competitors who want energy at distance.