Product DescriptionThe ATI ATI15MS556ML15 is a 5.56x45mm barrel assembly component listed with a 16-inch steel barrel and a durable black nitride finish. Built for shooters seeking a corrosion-resistant and wear-resistant barrel option, this model combines a common 5.56x45mm chambering with a 1:8 twist rate that is well suited for a broad range of compatible bullet weights. The black nitride treatment helps protect the barrel surface while supporting long-term performance and easier maintenance.Product Highlights Chambered in 5.56x45mm for compatibility with popular modern sporting rifle platforms 16-inch barrel length offers a versatile balance of handling and performance Steel barrel construction provides strength and durability for repeated use Black nitride barrel finish helps resist wear, corrosion, and fouling buildup 1:8 twist rate supports dependable stabilization across a wide range of common 5.56 projectiles Specs Product Type: Barrel Caliber: 5.56x45mm Barrel Length: 16 in Twist Rate: 1:8 Barrel Finish: Black Nitride Barrel Material: Steel UPC: 819644027584 MPN: ATI15MS556ML15 Brand: ATI Disclaimer: We strive to provide accurate and up-to-date product descriptions, specifications, and images; however, errors or omissions may occasionally occur. We are not responsible for any inaccuracies or discrepancies in the content provided. If you notice anything incorrect or unclear, please contact us so we can correct it. When in doubt, we recommend verifying details directly with the product&';s manufacturer.