Faxon Firearms  |  SKU: RSR-FX15A58C10NSQ
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Faxon Firearms - Duty Series SOCOM 10.5" AR-15 Barrel 5.56 NATO

Regular price $18149
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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 SOCOM Profile 10.5" Carbine-Length 5.56 NATO AR-15 Barrel is engineered for durability and precision, making it an ideal choice for short-barreled rifles (SBRs) and pistols. This barrel is crafted from 4150 CMV steel and features a salt-bath QPQ nitride finish for enhanced hardness and corrosion resistance. Its SOCOM profile offers a balance of heat capacity and stiffness, ensuring consistent performance under rapid fire and suppressed conditions.

Designed with a carbine-length gas system, this barrel is optimized for reliability across various ammunition types and temperatures. The 1:8 twist rate stabilizes a wide range of bullet weights, from 55 to 77 grains, making it versatile for different shooting applications. The barrel's 1/2x28 muzzle threading is compatible with a variety of muzzle devices and suppressors, enhancing its adaptability.

Each barrel is meticulously manufactured in Faxon's Greater Cincinnati facility, ensuring high-quality standards with features like M4 feed ramps, a pinned and torqued extension, and laser-engraved markings. The Faxon Duty Series is backed by a lifetime guarantee, reflecting the brand's commitment to quality and performance.

Key Features

  • Material: 4150 CMV bar stock
  • Finish: Salt-bath QPQ nitride, bore and exterior
  • Profile: SOCOM with .980" chamber journal and .850" step
  • Gas System: Carbine-length with .081" port, centered 7.66" from the breech
  • Twist Rate: 1:8 RH, 6-groove button rifling
  • Muzzle Thread: 1/2x28 UNEF-2A, .625" of thread
  • Weight: 1.10 lb
  • Chamber: 5.56 NATO, headspaced with 5.56 go/no-go gauge
  • Made in: Greater Cincinnati, Ohio, USA
  • Warranty: Faxon Lifetime Guarantee

Specifications

  • Length: 10.5" (10.505" on the print)
  • Gas Journal: .750" (.7490–.7497"), 1.9" long
  • Extension: M4 feed ramps, black oxide, torqued to 150 ft-lb, pinned
  • Ammunition: 55 to 77 gr; 5.56 NATO and .223 Remington
  • Handguard Compatibility: Any free-float handguard 7" or longer
  • Muzzle Devices: Compatible with MuzzLok 5.56 flash hider, Gunner 3-port brake, A2, direct-thread or HUB 5.56 suppressors

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Frequently Asked Questions

What makes the Faxon Duty Series SOCOM 10.5" AR-15 Barrel suitable for short-barreled rifles?

The Faxon Duty Series SOCOM 10.5" AR-15 Barrel is designed for short-barreled rifles (SBRs) due to its compact size and robust construction. The 10.5-inch length allows for greater maneuverability in confined spaces, making it ideal for tactical applications. Its SOCOM profile provides a balance between heat capacity and stiffness, ensuring reliable performance even during rapid fire. The barrel's construction from 4150 CMV steel with a salt-bath QPQ nitride finish enhances its durability and resistance to corrosion, which is crucial for maintaining performance in various environmental conditions.

How does the 1:8 twist rate of this barrel benefit different shooting applications?

The 1:8 twist rate of the Faxon Duty Series SOCOM 10.5" AR-15 Barrel is versatile, accommodating a wide range of bullet weights. This twist rate stabilizes bullets weighing between 55 and 77 grains, making it suitable for various shooting applications. Whether you're using lighter bullets for target practice or heavier ones for tactical scenarios, this barrel can handle them effectively. This flexibility is particularly beneficial for shooters who use different types of ammunition and need consistent accuracy across all.

What are the advantages of the SOCOM profile in this barrel?

The SOCOM profile of the Faxon Duty Series 10.5" AR-15 Barrel offers a unique combination of features that enhance its performance. This profile provides increased heat capacity, which helps maintain accuracy during extended firing sessions. Additionally, the design offers improved stiffness, reducing barrel whip and enhancing shot consistency. These characteristics make the SOCOM profile particularly advantageous for both rapid-fire and suppressed shooting conditions, where maintaining accuracy is critical.

How does the carbine-length gas system contribute to the barrel's reliability?

The carbine-length gas system on the Faxon Duty Series SOCOM 10.5" AR-15 Barrel is engineered to optimize reliability. Positioned 7.66 inches from the breech, this system ensures consistent cycling across different ammunition types and environmental conditions. The gas port size is calibrated to balance the gas pressure, providing smooth operation and reducing wear on internal components. This makes the barrel a dependable choice for both tactical and recreational shooting applications.

What types of muzzle devices are compatible with this barrel?

The Faxon Duty Series SOCOM 10.5" AR-15 Barrel features 1/2x28 muzzle threading, making it compatible with a variety of muzzle devices. This includes options like the MuzzLok 5.56 flash hider, Gunner 3-port brake, and A2-style compensators. Additionally, it supports direct-thread and HUB 5.56 suppressors, offering versatility for different shooting setups. Selecting the right muzzle device can enhance recoil management and noise reduction, tailored to your specific shooting needs.

What considerations should be made for handguard compatibility with this barrel?

When choosing a handguard for the Faxon Duty Series SOCOM 10.5" AR-15 Barrel, ensure it is at least 7 inches long. This length accommodates the carbine-length gas system and provides adequate protection and mounting options. A free-float design is recommended to prevent barrel contact, which can affect accuracy. Consider handguards with M-LOK or KeyMod slots for additional accessory mounting flexibility, allowing you to customize your rifle setup.

How does the salt-bath QPQ nitride finish enhance the barrel's performance?

The salt-bath QPQ nitride finish on the Faxon Duty Series SOCOM 10.5" AR-15 Barrel significantly enhances its durability and performance. This finish increases surface hardness, providing excellent resistance to wear and corrosion. It also reduces friction, contributing to smoother operation and easier cleaning. These benefits are particularly valuable in harsh environments where reliability and longevity are paramount, ensuring the barrel maintains its performance over time.

What is the significance of the M4 feed ramps in this barrel?

The M4 feed ramps on the Faxon Duty Series SOCOM 10.5" AR-15 Barrel play a crucial role in ensuring reliable feeding of ammunition. These ramps are designed to guide rounds smoothly from the magazine into the chamber, reducing the likelihood of misfeeds or jams. This feature is especially important in high-stress situations where consistent performance is critical. By improving the feeding process, M4 feed ramps contribute to the overall reliability of the firearm.

How does the barrel's construction from 4150 CMV steel benefit its performance?

Constructed from 4150 CMV steel, the Faxon Duty Series SOCOM 10.5" AR-15 Barrel offers superior strength and durability. This material is known for its toughness and ability to withstand high temperatures, making it ideal for barrels that experience rapid fire. The steel's composition ensures that the barrel maintains its structural integrity under intense conditions, providing consistent accuracy and performance. This makes it a reliable choice for both tactical and recreational shooting.

What are the benefits of the lifetime guarantee offered with this barrel?

The lifetime guarantee offered with the Faxon Duty Series SOCOM 10.5" AR-15 Barrel provides peace of mind to users. This guarantee reflects the manufacturer's confidence in the barrel's quality and durability. It assures customers that any defects in materials or workmanship will be addressed, ensuring long-term satisfaction with the product. This commitment to quality is particularly important for those who rely on their equipment in critical situations, knowing that they have a dependable support system in place.