Stern Defense 9mm 16.1" AR-15 Barrel, 1:10 Twist

Stern Defense 9mm AR-15 Barrel

This precision-engineered barrel brings reliable 9mm capability to your AR-15 platform. Built from 4150 chrome-moly steel and finished with Melonite coating, it delivers the durability you expect from a quality American-made component.

Specifications

• Caliber: 9mm
• Length: 16.1 inches
• Threading: 1/2-36 (standard for 9mm suppressors and muzzle devices)
• Twist Rate: 1:10
• Material: 4150 Chrome-moly Steel
• Finish: Melonite Coating
• Origin: Made in the U.S.A.

Key Features

The 1:10 twist rate stabilizes a wide range of 9mm projectiles, from lighter target loads to heavier subsonic rounds. The Melonite finish provides superior corrosion resistance and wear protection, ensuring your barrel performs reliably through thousands of rounds.

The 1/2-36 threading is the industry standard for 9mm AR-15 platforms, allowing you to attach suppressors, flash hiders, or muzzle brakes with confidence. At 16.1 inches, this barrel strikes a practical balance between velocity and handling in a compact package.

Whether you're building a dedicated 9mm AR or converting an existing rifle, this barrel represents solid American manufacturing and proven performance.