Stern Defense Barrel .40 S&W 16.10", Black

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 pr