Lead & Steel AR-9 barrel in 9mm with 16-inch straight profile. QPQ Black Nitride finish on 4150 Chrome Moly Vanadium steel for durability and corrosion resistance.
The Lead & Steel LS9MM16-36 is a purpose-built barrel for AR-9 platforms, engineered for reliability and longevity. This barrel represents the kind of precision manufacturing that serious shooters demand.
4150 Chrome Moly Vanadium Steel provides the strength and durability necessary for consistent performance across thousands of rounds. The barrel is finished with a QPQ Black Nitride coating, a professional-grade surface treatment that:
Whether you're building a new AR-9 or upgrading an existing platform, this barrel delivers the performance and reliability you expect from quality American manufacturing.