Faxon Duty 5.56 NATO 16" Pencil Barrel

Faxon Duty Series 5.56 NATO Barrel

Faxon Firearms manufactures this 5.56 NATO barrel in-house using certified 4150 Mil-Spec steel, subjecting each barrel to rigorous testing throughout every manufacturing stage. The result is a reliable, accurate barrel built to exacting standards.

Key Features

• Caliber: 5.56 NATO
• Length: 16 inches
• Profile: Pencil (lightweight design)
• Twist Rate: 1:8 inch
• Gas System: Mid-length
• Finish: Black nitride (inside and outside)
• Weight: Approximately 1.2 lbs
• Thread: 1/2"-28
• Crown: 11-degree target crown for superior accuracy
• Gas Block Journal: 1.1 inch diameter
• Extension: M4 barrel extension

Manufacturing Excellence

Each barrel undergoes full stress relief and air-gauge testing to ensure dimensional consistency. Faxon employs precision custom-hardened gauges to individually verify headspace on every barrel. Button rifling provides consistent bore quality and excellent accuracy potential.

The black nitride finish provides corrosion resistance and durability while maintaining a professional appearance. The 11-degree target crown protects the rifling and supports accuracy by ensuring consistent bullet seating.

Compatibility

This barrel is designed to fit standard AR-15 platforms and accepts standard M4 barrel extensions. The mid-length gas system offers a balance between reliability and recoil management.