AR barrels from New Frontier Armory are essential components that influence accuracy, velocity, and overall performance of your firearm. Available in several calibers, including 5.56 NATO, .300 Blackout, .308, and popular pistol calibers like 9mm and .40 S&W, these barrels come in a variety of lengths to suit different shooting applications, from close-quarters engagements to long-range precision. Crafted from high-quality materials, New Frontier Armory AR barrels are designed for durability and consistency, ensuring reliable performance with every shot. Whether you’re building a custom rifle or upgrading an existing setup, choosing the right AR barrel is key to achieving your desired shooting experience.