Faxon Firearms Duty Series Barrel for AR-15 – 5.56 NATO, 16″, Pencil Profile, Mid-Length Gas (15A58M16NPQ)

• 5.56 NATO AR-15 barrel suitable for lightweight rifle builds and general shooting applications
• 16 inch pencil profile barrel with mid length gas system for reduced front weight
• 1:8 twist rate stabilizes a broad range of projectile weights effectively
• 4150 CMV steel construction with button rifled bore for consistent performance
• Nitride interior and exterior finish improves corrosion resistance and service life
• Lightweight pencil profile reduces overall rifle weight for improved maneuverability during extended use

The Faxon Firearms Duty Series Pencil Barrel 556 NATO 16″ Mid-Length is a rifle barrel designed for AR-15 platforms chambered in 5.56 NATO. This rifle barrel is used for firearm builds requiring a lightweight 16 inch barrel with a mid-length gas system.

The Faxon Firearms Duty Series barrel features 4150 CMV steel construction with button rifling and a 1:8 twist rate. It includes a pencil profile, a mid-length gas system, and a .625 inch gas block diameter with a 1.1 inch journal length. The barrel is finished with nitride treatment inside and out and uses a 1/2×28 muzzle thread. This rifle barrel fits AR-15 platforms with an M4 extension and weighs approximately 1.20 pounds. In standard configurations, the lightweight profile supports reduced front-end weight for range use and field carry.