The Faxon Firearms Duty Series Gunner Barrel in 5.56x45mm NATO blends extended-range precision with reduced weight, thanks to its unique Gunner profile. Designed for AR-15 and M16 platforms, this 18-inch barrel balances the strength of a government-profile chamber area with a tapered, lightweight front for faster handling and enhanced accuracy.
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Crafted from 4150 CMV steel, this barrel is button rifled and treated with QPQ Black Nitride both inside and out for superior corrosion resistance, extended barrel life, and reliable performance in all conditions. The 1:8 twist rate provides excellent versatility for stabilizing a wide range of bullet weights, from light varmint loads to heavier match-grade rounds.
With a .625” gas block diameter, 1/2x28 muzzle threading, and a target crown, this barrel is ready for muzzle device installation or suppressor use. Whether you're building a general-purpose rifle, a DMR, or a lightweight long-range platform, the Faxon Gunner 18" barrel is a strong and flexible foundation.
Faxon Duty Series Gunner Barrel Specifications
Brand: Faxon Firearms
Series: Duty Series
Model: Gunner
Caliber: 5.56x45mm NATO
Firearm Fit: AR-15 / M16
Barrel Length: 18 inches
Material: 4150 CMV Steel
Barrel Type: Button Rifled
Twist Rate: 1:8
Diameter: .625 inches
Thread Pattern: 1/2x28
Finish: QPQ Black Nitride
Barrel Description: Target Crown
Weight: 1.58 lbs
More Information
Condition
New in Box
Finish Per Color
Black
Manufacturer
Faxon Firearms
Manufacturer Part Number
15A58R18NGQ
Model
Duty Series Gunner Barrel
Type
AR Barrels
UPC
816341020184
WARNING: This product can expose you to chemicals including arsenic, which is known to the State of California to cause cancer. For more information, go to WWW.P65WARNINGS.CA.GOV
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