The Lead & Steel LS9MM11.3-28 AR9 9mm Luger Straight Profile Black Nitride Chrome Moly Vanadium barrel is built for shooters who want dependable performance from a compact AR9 platform. This 11.30" threaded barrel features a straight profile and durable black nitride finish over 4150 chrome moly vanadium steel, paired with a 1:10 twist to stabilize a wide range of 9mm loads. Designed for simple blowback operation, it eliminates the need for a gas block or gas tube while remaining compatible with standard mil-spec and dedicated AR9 uppers.

This AR9 barrel is well suited for range use, training, and practical shooting where reliability and straightforward maintenance matter. The 1/2x28 muzzle threads make it easy to add your preferred muzzle device or suppressor-ready accessory, giving you flexibility in how you configure your build. With its balanced length and robust construction, this barrel offers a solid foundation for a smooth-running pistol-caliber carbine that reflects Lead & Steel’s focus on practical design and consistent manufacturing quality.

Key Features:

• Manufacturer: Lead & Steel
• Model: AR9 LS9MM11.3-28
• Caliber: 9mm Luger
• Barrel Length: 11.30"
• Rate Of Twist: 1:10"
• Barrel Material: 4150 Chrome Moly Vanadium Steel
• Barrel Finish: Black Nitride
• Threaded Barrel: 1/2x28
• Gas System: Blowback, No Gas Block Or Gas Tube Required
• Compatibility: Standard Mil-Spec Uppers And Dedicated AR9 Uppers