Fn Ar-15/M16 5.56x45mm Cold Hammer Forged Barrels

With its more than 100-year legacy of exceptional barrel manufacturing, FNH USA has long perfected the cold hammer forging process to ensure accuracy and durability. These AR-15/M16 barrels are hammer forged using the same proprietary high-grade Chrome Moly Venadium steel used in FN's venerable machinegun barrels produced to handle the punishment of sustained fully-automatic fire. After forging, each barrel is Magnetic Particle tested to ensure that it is free of micro-stresses or flaws, resulting in consistency and quality in every barrel shipped from the factory. The bore and chamber are chrome lined to help resist corrosion and provide resistance to heat erosion which great Mfg: Fn