The Ballistic Advantage 20-inch 6.5 Grendel barrel is a premium choice for builders seeking long-range performance on the AR-15 platform. Machined from high-grade stainless steel, this barrel features a rifle-length gas system for smooth cycling and improved reliability. The 20-inch length provides increased muzzle velocity, making it ideal for precision shooting and hunting applications. This barrel comes equipped with an 11-degree target crown and a 5/8x24 thread pitch for various muzzle devices. • Platform: AR-15 • Caliber: 6.5 Grendel • Barrel Length: 20 • Thread: 5/8 x 24 • Gas System: Rifle Length • Journal: .750" • Material: Stainless Steel • Build Grade: Range Ready