12.5″ .308 Cal 1:10 Twist 4150 Barrel (Mid Length Gas System)

Description

This 12.5 inch barrel is engineered for .308 caliber platforms, constructed from durable 4150 Chromoly Steel. The 4150 material offers a robust foundation for high-pressure cartridges, balancing tensile strength with machinability. It features Cal 1:10 Twist rate, which stabilizes heavier bullets commonly used in .308 applications, ensuring consistent performance across a variety of bullet weights. The barrel is finished with a Black Nitride Coating, providing enhanced corrosion resistance and a durable surface that withstands harsh environments without adding significant bulk or altering internal dimensions. Measuring exactly 12.5 inches Mid Length, this barrel is designed for compact builds where space is at a premium but reliable function is non-negotiable. It includes Mid Length Gas System, which positions the gas block further forward than a carbine-length system. This configuration typically reduces felt recoil and improves cycling reliability by allowing more time for gas pressure to stabilize before entering the gas tube. The barrel ends with a 5/8 x 24 Thread, the standard pattern for many .308 muzzle devices, flash hiders, and suppressors. Weighing 31 oz, the mass helps mitigate the sharp recoil impulse inherent in shorter .308 barrels. The .750 Diameter at the gas block area ensures proper fitment with standard gas blocks and prevents interference with handguards or rail systems. This component is a critical build element for those assembling a compact .308 upper receiver, providing the necessary length and gas system for reliable operation in a smaller footprint.