The Stern Defense 6-Inch Barrel (brand part no. 006-9MM BARREL 6 INCH-D1-M) is a 9mm Luger AR-15 barrel machined from 4150 chrome-moly steel and finished in Melonite for corrosion and wear resistance. Stern Defense cuts this barrel with a 1:10 twist rate and threads the muzzle 1/2-36 so it is ready for a compatible muzzle device right out of the box. It is made in the USA and built for shooters running a 9mm AR pistol or short-barrel build.

Key Specifications

• Chambered in 9mm Luger.
• 6-inch barrel length.
• 1:10 twist rate.
• Threaded 1/2-36 for a compatible muzzle device.
• Machined from 4150 chrome-moly steel.
• Finished in Melonite for corrosion and wear resistance.
• Made in the USA.
• No sights included.

Frequently Asked Questions

What caliber is this barrel chambered in? 9mm Luger.

Is the muzzle threaded? Yes, 1/2-36, ready for a compatible muzzle device.

Where is this barrel made? The USA.

Buy the Stern Defense 6-Inch Barrel

Build a compact 9mm AR with a Melonite-finished, made-in-USA barrel. Order it from our AR15 barrels selection at our Lubbock, Texas gun shop, and it will ship as soon as it’s available.