FNH USA AR-15 Barrel 5.56 NATO 18" Chrome Lined Rifle Length Gas System Black 36423

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These AR-15 barrels are cold hammer forged from the same proprietary high chrome moly vanadium steel that FN uses for their legendary machine gun barrels, and then magnetic particle tested. The bore and chamber are chrome lined for durability and corrosion resistance. The barrel has M4 style feed ramps to provide consistent feeding. They are finished in matte black manganese phosphate.

Features and Specifications:
Manufacturer Number:36423
5.56 NATO caliber (accepts .223 Remington)
Chrome moly vanadium steel
MPI tested
1:7" twist
Barrel length 18"
Rifle length gas system
Muzzle threaded 1/2x28
Chrome lined
M4 feed ramps
Manganese phosphate finish

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Item#: ARR-17-745