Faxon Firearms  |  SKU: RSR-FX15A58M125NGQ

Faxon Firearms - Duty Series Gunner Profile 12.5" 5.56 NATO Barrel

Regular price $18795
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Description

⚠ STATE RESTRICTIONS: This item cannot be shipped to Connecticut, Illinois, New Jersey or Washington. Orders shipping to these states will be cancelled and issued a full refund.

The Faxon Duty Series Gunner Profile 12.5" 5.56 NATO AR-15 Barrel is engineered for those who demand a balance of performance and weight in their suppressed short-barreled rifles (SBRs). Crafted from 4150 CMV steel and finished with a salt-bath QPQ nitride for superior hardness and corrosion resistance, this barrel is designed to excel in demanding conditions. The mid-length gas system ensures a softer unlock and reduced gas blowback when suppressed, making it ideal for tactical applications.

The Gunner profile combines a Government taper behind the gas block with a straight section ahead, maintaining a lightweight design at 1.22 lbs while providing a full shoulder for muzzle devices. This barrel is meticulously machined in Greater Cincinnati, Ohio, ensuring precision and reliability. With its 1:8 twist rate, it stabilizes a wide range of bullet weights, from 55 to 77 grains, making it versatile for various shooting scenarios.

Every barrel is headspaced and ready with an M4-ramp extension, torqued and pinned for robust performance. The Faxon Duty Series has been recognized with the Gold Award by Shooting Sports Retailer for its exceptional quality and performance, making it a top choice for firearm enthusiasts and professionals alike.

Key Features

  • Barrel Length: 12.5" (12.505" on the print)
  • Material: 4150 CMV bar stock
  • Finish: Salt-bath QPQ nitride, bore and exterior
  • Profile: Gunner with Government taper and straight section
  • Weight: 1.22 lb
  • Twist Rate: 1:8 RH, 6-groove button rifling
  • Gas System: Mid-length with .089" port
  • Muzzle Thread: 1/2x28 UNEF-2A
  • Extension: M4 feed ramps, black oxide, torqued to 150 ft-lb, pinned
  • Made in: Greater Cincinnati, Ohio, USA
  • Warranty: Faxon Lifetime Guarantee

Specifications

  • Cartridge/Chamber: 5.56 NATO (fires 5.56 NATO and .223 Rem)
  • Gas Journal: .625" (.6240–.6247"), 1.9" long
  • Headspace: 100%, 5.56 go/no-go gauge after assembly
  • Gas Block Diameter: .625"
  • Gas Tube: Mid-length: Faxon 304 stainless mid-length gas tube
  • Muzzle Devices: Compatible with 1/2x28 MuzzLok flash hider, Gunner 3-port brake, A2
  • Ammunition: 55 to 77 gr; 5.56 NATO and .223 Remington

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Frequently Asked Questions

What makes the Faxon Duty Series Gunner Profile 12.5" 5.56 NATO Barrel suitable for suppressed short-barreled rifles?

The Faxon Duty Series Gunner Profile 12.5" 5.56 NATO Barrel is specifically designed for suppressed short-barreled rifles (SBRs) due to its mid-length gas system. This system helps in achieving a softer unlock and reduces gas blowback, which is a common issue when using suppressors. The combination of a Government taper behind the gas block and a straight section ahead allows for a lightweight yet sturdy design, making it ideal for tactical applications where maneuverability and reduced weight are crucial.

How does the 1:8 twist rate of the Faxon Duty Series Barrel benefit different shooting scenarios?

The 1:8 twist rate of the Faxon Duty Series Barrel is versatile, accommodating a wide range of bullet weights from 55 to 77 grains. This twist rate ensures stable flight for various ammunition types, making it suitable for both target shooting and tactical scenarios. Whether you're engaging in precision shooting or need reliable performance in dynamic settings, this twist rate provides the flexibility to use different types of ammunition effectively.

What materials and finishes are used in the construction of the Faxon Duty Series Barrel?

The Faxon Duty Series Barrel is crafted from 4150 CMV steel, known for its durability and strength. It is finished with a salt-bath QPQ nitride process, which enhances its hardness and provides superior corrosion resistance. This combination of materials and finish ensures that the barrel can withstand demanding conditions and maintain its performance over time.

How does the Faxon Duty Series Barrel's gas system contribute to its performance?

The mid-length gas system of the Faxon Duty Series Barrel plays a crucial role in its performance by providing a balanced recoil impulse. This system reduces the felt recoil and enhances the overall shooting experience, especially when used with a suppressor. The reduced gas blowback is particularly beneficial in tactical situations where rapid follow-up shots are necessary, allowing for greater control and accuracy.

What are the compatibility considerations for muzzle devices with the Faxon Duty Series Barrel?

The Faxon Duty Series Barrel is compatible with muzzle devices that have a 1/2x28 thread pattern. This includes popular options such as the MuzzLok flash hider, Gunner 3-port brake, and the standard A2 flash hider. When selecting a muzzle device, ensure it is suitable for your specific application, whether it be reducing recoil, minimizing flash, or enhancing control during rapid fire.

Why is the Faxon Duty Series Barrel's weight significant for tactical applications?

Weighing just 1.22 lbs, the Faxon Duty Series Barrel is designed to be lightweight without sacrificing durability. This is particularly important in tactical applications where mobility and speed are critical. A lighter barrel reduces the overall weight of the firearm, making it easier to handle and quicker to maneuver in dynamic environments.

What are the benefits of the Gunner profile in the Faxon Duty Series Barrel?

The Gunner profile of the Faxon Duty Series Barrel combines a Government taper with a straight section, optimizing the balance between weight and performance. This design provides a full shoulder for muzzle devices while maintaining a lightweight structure. The result is a barrel that is easy to handle, yet robust enough to withstand the rigors of tactical use, making it a versatile choice for various shooting scenarios.

How does the Faxon Duty Series Barrel ensure precision and reliability?

Precision and reliability in the Faxon Duty Series Barrel are achieved through meticulous machining and quality control processes. Each barrel is headspaced with an M4-ramp extension, torqued, and pinned to ensure consistent performance. This attention to detail in manufacturing, conducted in Greater Cincinnati, Ohio, ensures that each barrel meets the high standards expected by professionals and enthusiasts alike.

What types of ammunition are best suited for the Faxon Duty Series Barrel?

The Faxon Duty Series Barrel is chambered for 5.56 NATO, allowing it to safely fire both 5.56 NATO and .223 Remington ammunition. It is optimized for bullet weights ranging from 55 to 77 grains, making it versatile for different shooting purposes. Whether you're using lighter rounds for target practice or heavier bullets for tactical scenarios, this barrel can accommodate a wide range of ammunition options.

What is the significance of the Faxon Duty Series Barrel's manufacturing location?

The Faxon Duty Series Barrel is manufactured in Greater Cincinnati, Ohio, a region known for its precision engineering and manufacturing expertise. This location underscores the commitment to quality and craftsmanship, as each barrel is produced with stringent quality control measures. The local manufacturing not only supports American industry but also ensures that the barrels meet the high standards required for tactical and professional use.