Stern Defense 45 ACP 8.5 Inch Threaded Barrel for Rifle Platforms

The Stern Defense .45ACP 8.5" barrel combines rugged 4150 chrome-moly steel with a Melonite finish for enhanced hardness and corrosion resistance, delivering reliable performance when precision matters. Calibrated for 45 ACP, this threaded barrel features a .578-28 thread pattern and a 1:16 twist, enabling secure suppression or muzzle devices while maintaining accurate bullet stabilization. Made in the USA and finished in black, it integrates seamlessly with compatible rifle platforms, offering an 8.5-inch length that balances compact handling with effective ballistic capability. Its threaded design and durable construction are ideal for builds that demand dependable chambering and repeatable extraction under various conditions, and the barrel's dimensions—3.40 x 3.90 x 12.90 inches—underscore its compact, purpose-built profile. The combination of Melonite coating and chrome-moly steel supports long-term wear resistance and easy maintenance, making this barrel a solid choice for rifle parts enthusiasts seeking a high-performance, American-made component. With a focus on function and reliability, Stern Defense delivers a precision-engineered option that enhances accuracy and versatility for 45 ACP shooting applications.