FN BBL M16 BB 20" RIFLE LENGTH 556

FN AR­15 premium button rifled barrels are manufactured using U.S. sourced Chrome Moly Venadium material per Mil-B-11595E. Each barrel is High Pressure Tested (HPT) and Magnetic Particle Inspected (MPI) to ensure that it is free of micro­stresses or flaws, resulting in consistency and quality in every barrel shipped from the factory.