Lead & Steel LS9MM45-36 4.5 AR9 Nitride Barrel 1/2x36

The Lead & Steel LS9MM45-36 is a 4.5-inch AR9 barrel designed for 9mm pistol caliber carbine builds. Features a durable nitride finish for enhanced corrosion resistance and improved bore life. Threaded 1/2x36 for muzzle device compatibility. Compatible with AR9 platform builds and 9mm pistol caliber cartridges. Quality construction from Lead & Steel provides reliable performance for your AR9 project.