Faxon Duty Series AR-15 Barrel 5.56x45mm NATO 13.9" Gunner Contour 1:8" Twist Nitride

Overview

The Faxon Duty Series Gunner Barrel is a 13.9-inch AR-15 barrel chambered in 5.56x45mm NATO with a 1:8" twist rate and a 1/2"x28 thread pattern. Machined in-house from certified 4150 CMV steel, the barrel undergoes full stress-relieving, air-gauge testing, magnetic particle inspection (MPI), and individual headspace verification with precision PTG gauges before receiving a durable black QPQ nitride finish. The barrel features Faxon's hybrid Gunner profile, which blends the durability of the Government profile with the weight savings and maneuverability of the pencil profile to limit shooter fatigue and bring balance back toward the shooter's body. Additional features include button rifling, an M4 barrel extension, and an 11-degree target crown.

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