The ROSCO Bloodline 16" Barrel is engineered for .223 Rem/5.56 NATO calibers and features a 1/2"x28 thread pattern. This barrel is part of the Sauce Pack, created based on customer feedback to provide essential components for carbine and pistol builds.Key FeaturesBarrel Length: Measures 16 inches, suitable for a variety of builds.Thread Pattern: Compatible with standard 1/2"x28 muzzle devices.Color: Finished in black for a sleek appearance.