Ar-15/M16 5.56x45mm Cold Hammer Forged Barrels - 20'''' Chf Government Rifle, 5.56x45mm 1:7 Rh Twist

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 Vanadium 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, result