This FN AR-15 barrel is chambered in 5.56x45mm NATO with a 14.7-inch M4 profile and carbine-length gas system. It is cold hammer forged from chrome moly vanadium steel with a chrome-lined bore and chamber and a black phosphate finish.
- Manufacturer Part # : 20-100405
- Type : Barrel
- Caliber : 5.56x45mm NATO
- Barrel Length : 14.7"
- Profile : M4
- Gas System : Carbine
- Finish : Black Phosphate
- Construction : Cold Hammer Forged, Chrome Lined
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