Product DescriptionDeveloped for the revolutionary 8.6 Blackout cartridge, the Faxon Firearms Match Series Big Gunner barrel is built to deliver serious accuracy and downrange performance in an AR-10 platform. This 16-inch, bead-blasted 416R stainless steel barrel features a fast 1:3 twist rate designed to help 8.6 Blackout leverage rotational energy for enhanced on-target effect. Each barrel is fully stress-relieved, air-gauge tested, and Magnetic Particle Inspected (MPI), and finished with an 11-degree target crown to support consistent precision.Product Highlights Purpose-built for 8.6 Blackout with a fast 1:3 twist rate for optimized projectile stabilization Match Series Big Gunner profile designed for performance-focused AR-10 builds Bead-blasted 416R stainless steel construction for durability and corrosion resistance Stress-relieved, air-gauge tested, and MPI inspected for consistency and reliability 11-degree target crown helps protect accuracy by promoting consistent muzzle gas releaseSpecs Brand: Faxon Firearms Series/Model: Match Series Big Gunner Cartridge: 8.6 Blackout Barrel Length: 16 in Twist Rate: 1:3 Material: 416R Stainless Steel Finish: Bead Blast Platform Fit: AR-10 Inspection/Testing: Stress-relieved; air-gauge tested; Magnetic Particle Inspected (MPI) Crown: 11-degree target crown Manufacturer Part Number: 10B863C16NGMHL5RNP3 UPC: 816341028609Disclaimer: 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.