The Great Lakes Firearms And Ammun 9mm Luger Barrel Nitride 4.5 delivers a compact, purpose-built option for AR-15 pistol-caliber builds. This 4.5-inch barrel is finished in a durable nitride treatment and features a threaded muzzle, giving shooters an easy path to adding compatible muzzle devices or suppressor-ready setups while maintaining a clean, streamlined profile.

Designed around 9mm Luger, this barrel balances short overall length with dependable performance for range work, training, or compact defensive configurations. Its AR-15 platform compatibility makes it a straightforward upgrade or foundation for dedicated pistol-caliber carbines, offering smooth handling and consistent accuracy in a lightweight package. Great Lakes Firearms And Ammun is known for delivering dependable components with careful attention to fit, finish, and long-term reliability.

• Manufacturer: Great Lakes Firearms And Ammun
• Model: 9mm Luger Barrel Nitride 4.5
• Caliber: 9mm Luger
• Barrel Length: 4.5 Inches
• Threaded Barrel: Yes