Product DescriptionThe Geissele Automatics 5.56 NATO 16 inch cold hammer forged chrome lined barrel is built for shooters who demand consistent accuracy, long service life, and dependable performance under hard use. Precision-machined from chrome moly vanadium steel, this barrel is designed with a Geissele taper profile, a mid-length gas system, and M4 feed ramps for smooth function and balanced handling. Each barrel is High Pressure Tested (HPT) and Magnetic Particle Inspected (MPI) to help ensure reliability and quality. With its chrome-lined bore, 1:7 twist rate, and threaded muzzle, this barrel is well suited for duty rifles, competition builds, and serious AR-platform upgrades.Product Highlights Cold hammer forged 16 inch 5.56 NATO barrel engineered for durability, consistency, and extended service life Chrome moly vanadium steel construction with chrome-lined bore for enhanced wear resistance and easier maintenance Mid-length gas system and Geissele taper profile help promote smooth cycling and balanced rifle performance High Pressure Tested and Magnetic Particle Inspected for added confidence in quality and reliability Features 1:7 twist rate, .750 gas block diameter, .078 gas port, M4 feed ramps, and 1/2x28 threaded muzzle Specs Product Type: Rifle Barrel Caliber: 5.56 NATO Barrel Length: 16 in Barrel Material: Chrome Moly Vanadium Steel Manufacturing Process: Cold Hammer Forged Bore Lining: Chrome Lined Profile: Geissele Taper Profile Gas System: Mid-Length Gas Block Diameter: .750 in Gas Port: .078 in Twist Rate: 1:7 Feed Ramps: M4 Muzzle Thread: 1/2x28 Testing: High Pressure Tested (HPT), Magnetic Particle Inspected (MPI) UPC: 810081134903 MPN: 05-2984 Brand: Geissele Automatics 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.