Brownells Lightweight Carbine-Length Barrel Assembly 5.56x45mm 11.50", Black

The Brownells A1 carbine barrel assembly is a precisely engineered component that honors the AR-15 platform's rich history, which has seen significant evolution over the past fifty years. This assembly is ideal for enthusiasts aiming to recreate the iconic XM177 rifle or construct a lightweight AR build with classic influences. Crafted with precision and authenticity, it includes most materials needed for a retro build, enabling users to enjoy the nostalgia and performance of early AR models. Whether you're a collector, history enthusiast or dedicated AR-15 fan, this barrel assembly provides a unique chance to build a faithful reproduction of early rifles, merging historical accuracy with modern manufacturing standards.Twist rate - 1:7 inches or 1:12 inchesCarbine length gas systemFeaturing 1/2-28 TPI threadingChrome-lined chamber and bore