Browse our stock of AR 10 barrels for .308 Winchester, 6.5 Creedmoor, and 8.6 Blackout. Each caliber has the optimized twist rate and comes in a variety of barrel lengths, profiles, and barrel extension finishes. We manufacture all of our rifle barrels from either 416R stainless steel or 4150 CMV right here in the USA. Each barrel is sent through a battery of tests at each phase of production to ensure superior quality, accuracy, and performance. If you are in need of an AR barrel, whether you are starting a new build or looking to upgrade your current firearm, you will be hard-pressed to find a better value than Faxon Firearms.