The Great Lakes Firearms And Ammun 9mm Luger Barrel Nitride 10.5 is a compact AR-15 barrel built for shooters who want dependable performance in a streamlined package. Chambered in 9mm Luger and finished in a durable black nitride treatment, this 10.5 inch barrel is designed to integrate smoothly with AR-15 9mm builds that use a blowback operating system. Its 1/2x28 muzzle threads and 1:10 twist rate support common 9mm projectiles and a wide range of compatible muzzle devices.

This barrel’s 10.5 inch length offers a balance of maneuverability and practical velocity, making it well suited for range use, training, competition-style shooting, or suppressed configurations where compact handling matters. With straightforward installation and consistent manufacturing from Great Lakes Firearms And Ammun, it provides a solid foundation for a reliable 9mm AR build that reflects the company’s focus on precision and quality craftsmanship.

• Manufacturer: Great Lakes Firearms And Ammun
• Model: 9mm Luger Barrel Nitride 10.5 (10-9B NIT)
• Cartridge: 9mm Luger
• Barrel Length: 10.5 inches
• Muzzle Threads: 1/2x28
• Twist Rate: 1:10
• Gas System: Blowback