Product DescriptionUpgrade or rebuild your AR-15 with the Ballistic Advantage Premium Black Series 18-inch barrel chambered in .223 Wylde for versatile performance with both .223 Remington and 5.56 NATO ammunition. Manufactured from 416R stainless steel and finished in a corrosion-resistant QPQ black treatment, this barrel is built for durability and consistent accuracy. The SPR contour, rifle-length gas system, and 1:8 twist rate make it a strong choice for precision-focused builds and balanced handling.Product Highlights 18-inch .223 Wylde AR-15 barrel supports .223 Remington and 5.56 NATO use 416R stainless steel construction with QPQ black finish for corrosion resistance and long service life SPR contour with rifle-length gas system for smooth cycling and precision-oriented performance 1:8 twist rate and 1/2"-28 muzzle threads for broad projectile compatibility and common muzzle devices Quality-focused manufacturing designed for long-term reliability and durable performanceSpecs Brand: Ballistic Advantage Model/Series: Premium Black Series Type: Rifle Barrel (AR-15) Cartridge/Chambering: .223 Wylde Barrel Length: 18 in Material: 416R Stainless Steel Finish: QPQ (Black) Barrel Contour: SPR Twist Rate: 1:8 Muzzle Threads: 1/2"-28 Gas System Length: Rifle Gas Block Journal Diameter: 0.750 in M4 Feed Ramps: Yes Chrome Lined: No Weight: 41 oz Country of Origin: United States of America UPC: 819747021496 Manufacturer Part Number: BABL223021PQDisclaimer: 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.