The Criterion Barrels M118LR SBN BARREL for AR-308 delivers a precision-focused upgrade with an 18-inch hybrid contour that pairs a proven performance profile with a sleek black finish, optimized for long-range reliability. Built for AR .308 platforms, this mid-length gas system barrel features a 1-10 twist to stabilize a wide range of 308 Winchester projectiles, while its hybrid contour blends sturdy ruggedness with process-focused accuracy. At 5/8-24 muzzle threads, its ready for a broad selection of muzzle devices, compensators, or brakes to fine-tune recoil and point-of-impact behavior. With a weight around 2.6 pounds, the barrel maintains a practical balance of stiffness and maneuverability, making it suitable for precision rifle builds, tactical applications, or serious varmint and big-game hunting where dependable performance matters. Criterion Barrels engineers this AR-308 barrel to deliver consistent velocity and reliable chamber support, ensuring repeatable accuracy across demanding shooting sessions. This barrel harmonizes with AR-308 receivers and compatible components to unlock the potential of your rifle, enabling you to pursue precision, consistency, and confidence with every shot.