L&S Firearms LS9MM83-36 8.3″ AR9 9mm Nitride Barrel 1/2×36 Threaded

Upgrade your AR9 pistol build with the L&S Firearms LS9MM83-36 8.3″ 9mm Nitride Barrel. Featuring a 1/2×36 threaded muzzle, this barrel is purpose-built for AR9 platform pistol builds chambered in 9mm. The nitride finish provides outstanding corrosion resistance, enhanced surface hardness, and reduced friction for reliable feeding and long-term durability — even under hard use. At 8.3 inches, this barrel strikes an ideal balance between maneuverability and ballistic performance, making it a popular choice for AR9 pistol builds, home defense configurations, and range setups. The 1/2×36 thread pitch is the standard for 9mm suppressors and muzzle devices, giving you full compatibility with your preferred muzzle accessory. Whether you’re completing a new AR9 build or upgrading an existing setup, the L&S LS9MM83-36 delivers quality components at a competitive price. Order online at Deep Roots Rifle Co for fast shipping nationwide, or stop by our gun store in Eustis, Florida, where our knowledgeable staff can help you find everything you need to complete your build.