Faxon Firearms Duty Series 20in 5.56 NATO AR-15 Barrel 1:8 Rifled Nitride

The Faxon Firearms Duty Series 15A58R20NGQ delivers a precision-built 20-inch 5.56x45mm NATO AR-15/M16 barrel featuring a Target Crown and a corrosion-resistant QPQ black nitride finish on 4150 steel, created for absolute reliability in field or range scenarios. This 20" barrel uses a 1:8" twist and button rifling to optimize performance with a broad spectrum of 5.56 ammunition, promoting stable muzzle velocity and tight groups across practical distances. The robust construction and finish are d