FN AR­15 barrels are hammer forged using the same proprietary high­grade Chrome MolyVenadium steel used in FN’s venerable machinegun barrels produced to handle the punishment of sustained fully­automatic fire.

The FN 15® Series is built to withstand the varied and unrelentingly harsh conditions of battlefields around the world. Discover all FN 15™ rifles here.

FN America AR 15 Barrels are cold hammer forged and chrome lined for the ultimate in long term durability. Get your FNH barrel today and never upgrade again.

Proven to perform on any front, this new carbine has the critical upgrades for tack-driving accuracy, with a nitrided 16-inch CMV steel MIL-B-11595 barrel and 15-inch free-float aluminum handguard. The mid-length gas system reduces recoil impulse with a low-profile gas block impinging gas to the mil-spec bolt carrier.

FN AR­15 premium button rifled barrels are 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.

Mil-spec Barrel Steel - FN15 barrels are hammer forged from proprietary Chrom Moly Vanadium (CMV) steel. This is the same steel developed for their machine gun barrels, which are designed to handle the punishment of full-auto fire, and is now available to you in their AR-15 barrels.

Currently available in a chambering of 5.56x45mm in 14.5” Carbine, 16” Carbine, 16” Mid-length, and 18” and 20” Rifle length gas systems, FNH USA Hammer Forged Barrels will provide you with a Distinct AdvantageTM, no matter your application.

This is a factory FNH USA FN-15 barrel and will also fit any AR-15 or clone. This barrel is 20" long, is designed to fit the rifle length gas system, and is chambered for 5.56x45mm. FN Herstal has spent decades perfecting the art of making cold hammer-forged, chrome-lined barrels.

FN AR­15 premium button rifled barrels are are manufactured using U.S. sourced Chrome Moly Vanadium 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.

2021年3月4日 · After button-rifling, each FN AR-15 BB M16 barrel gets a chrome-lined bore and chamber that prevents corrosion and also minimizes heat erosion. This helps to extend the life of your rifle, as well as enhance reliability. After chrome-lining, each barrel is high-pressure tested and MPI-inspected to ensure it meets all military standards.