Diamondback DB 308 Winchester Vanadium Steel Rifle Barrel - 16in - Black Nitride - The Diamondback Firearms .308 Winchester Barrel features a light contour/profile, providing a balanced combination of maneuverability and stability. The 1: 10 twist rate ensures excellent accuracy and stabilization of a wide range of bullet weights. The mid-length gas system offers reliable cycling and reduced recoil, making it suitable for various shooting scenarios. This barrel is made from 4150 Chrome Moly steel, known for its durability and resistance to wear. The black nitride finish further enhances its corrosion resistance and longevity. The barrel is threaded with a 5/8 x 24 pattern, allowing for the attachment of various muzzle devices. Additionally, it features button rifled 5R rifling and M4 feed ramps for enhanced accuracy and reliable feeding. 1:10 Threaded Barrel: 5/8 x 24 Material: 4150 Chrome Moly Rifling: Button Rifled 5R Midlength Light Profile