Precision engineered extended barrel designed for seamless integration with suppressors. Meticulously crafted to mirror the renowned Ed Brown barrel with an extended length. Tailored for the 45 ACP with a precise thread size of 0.578 x 28 TPI RH. Ensures compatibility with a wide range of suppressors. Includes a link, link pin, bushing and robust thread protector for durability and ease of use. Optimal performance and reliability in a 1911 platform when paired with a suppressor equipped with a Nielsen device (booster, kicker or Linear Inertial Decoupler). Recommended suppressor - black Reign by Elite Iron, known for superior craftsmanship and performance. Designed to enhance shooting experience with exceptional accuracy and reliability for professionals and enthusiasts alike.