Enhance your AR-15 build with the CMMG 6mm ARC 16.10" Barrel crafted from durable 416 stainless steel. This rifle-length barrel features a medium taper profile and a precise 1:7.50" twist rate perfect for optimizing the performance of Hornady's 6mm ARC cartridges. The nitride finish adds superior corrosion resistance ensuring long-lasting reliability. With 5/8-24 TPI threads this subassembly is poised to deliver exceptional accuracy and durability for your next shooting adventure.