The Stern .40 S&W barrel is the perfect choice for firearm enthusiasts looking to build a custom dedicated .40 S&W AR-15 upper. Precision-machined to exacting tolerances, this barrel is designed to deliver exceptional accuracy and reliability. Crafted with a focus on quality, it ensures a seamless fit and superior performance, making it an excellent foundation for your next build. Whether you are assembling a competition-ready setup or a dependable home defense rifle, the Stern .40 S&W barrel provides the durability and precision needed to elevate your shooting experience.

Barrel length is measured in overall length, ensuring accurate and standardized measurements for fitting and compatibility
This barrel is threaded 0.578-28
4150 chrome-moly steel, known for its toughness and resistance to wear and tear, ensuring long lasting performance
1:16 inches twist, suitable for lighter, smaller projectiles, enhancing accuracy and efficiency
Melonite coating, enhancing the surface hardness and corrosion-resistance of metal components
Barrel comes with locating pin installed, simplifying installation and ensuring precise alignment for consistent performance

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