Faxon Firearms Duty Series 16in HBAR AR-15 Barrel 5.56 NATO 4150 CMV Nitride

Product Description

The FAXON FIREARMS Duty Series 16" HBAR AR-15 barrel is built for shooters who want a rigid, heat-managing profile with duty-grade durability. Machined in-house from certified 4150 CMV steel and finished with a black nitride treatment inside and out, this 5.56 NATO barrel delivers excellent corrosion resistance and easy cleaning. A mid-length gas system helps smooth cycling, while the button-rifled 1:8 twist and 11° target crown support consistent accuracy across a wide range of 5.56 loads. Each barrel is stress relieved, air-gauge tested, and magnetic particle inspected for dependable performance.

Product Highlights

• HBAR (heavy barrel) contour improves stiffness, heat control, and long-string consistency
• Mid-length gas system for a smoother recoil impulse and reliable cycling in AR-15 builds
• Certified 4150 CMV steel construction for duty-ready longevity
• Black nitride finish (inside & out) for corrosion resistance and easier maintenance
• Button-rifled 1:8 twist with an 11° target crown to promote repeatable accuracy

Specs

• Brand: FAXON FIREARMS
• Manufacturer Part Number: 15A58M16NHQ
• Platform/Fit: AR-15
• Caliber: 5.56 NATO
• Barrel Length: 16"
• Profile: HBAR (Heavy Barrel)
• Material: 4150 CMV Steel
• Rifling: Button-rifled
• Twist Rate: 1:8
• Finish: Black Nitride (inside & out)
• Gas System Length: Mid-length
• Gas Block Diameter: 0.750"
• Gas Block Journal Length: 1.1"
• Muzzle Threads: 1/2-28 TPI
• Barrel Extension: M4
• Crown: 11° Target Crown
• Weight: approx. 2.06 lb