Upgrade your firearm with the Diamondback 20" Fluted Stainless Steel Barrel designed for precision and durability. Crafted from high-quality 416R stainless steel this barrel ensures excellent performance and longevity. Featuring a medium profile and a 1:8 twist rate it is optimized for accuracy and stability. The fluted design not only reduces weight but also enhances heat dissipation for consistent shooting. With its rifle-length gas system this barrel is perfect for replacing your old one or completing your custom build.