Product DescriptionThe Ballistic Advantage Premium Series 20-inch 6mm ARC DMR barrel is precision-machined from 416R stainless steel and finished with a durable bead-blasted surface. Built for accuracy-focused AR builds, it features a DMR barrel profile and a Nickel Boron coated extended M4 feed ramp extension to support reliable feeding and long-term performance. The muzzle is threaded 5/8x24 for compatibility with common muzzle devices and suppressor mounts.Product Highlights Premium Series 6mm ARC barrel designed for precision-oriented DMR-style AR builds 416R stainless steel construction with a bead-blasted stainless (silver) finish Nickel Boron coated extended M4 feed ramp extension for smooth, reliable feeding 20-inch DMR profile with 5/8x24 muzzle threads for wide muzzle device compatibility 1:7 twist rate with a rifle-length gas system (per distributor listing)Specs Brand: Ballistic Advantage Series: Premium Series Caliber: 6mm ARC Barrel Length: 20 inch Barrel Profile: DMR Material: 416R Stainless Steel Finish: Bead Blasted (Silver/Stainless) Muzzle Threads: 5/8x24 Twist Rate: 1:7 Gas System Length: Rifle-Length Feed Ramp/Extension: Nickel Boron Coated Extended M4 Feed Ramp Extension UPC: 819747028655 Manufacturer Part Number: BABL6MM003PDisclaimer: 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.