Faxon Firearms Duty 5.56 NATO Barrel Review

First Impressions of Faxon Firearms Duty 5.56 NATO Barrel

The Faxon Firearms Duty 5.56 NATO Barrel promises to be a workhorse, designed for those who demand reliability and accuracy without breaking the bank. Faxon Firearms boasts in-house manufacturing, stress-relieved steel, and air-gauge testing, but does it live up to the hype? For years, I’ve trusted my AR builds to get me through rigorous training exercises and competitive shooting events.

My interest in this barrel stemmed from a need to build a lightweight, yet durable AR for a friend who is just getting into competitive shooting. I needed a barrel that could handle the heat of extended training sessions without sacrificing accuracy. The promise of the Faxon Firearms “Gunner” profile, combining the best of Government and Pencil profiles, was particularly appealing.

Upon receiving the barrel, the first thing I noticed was the clean Nitride finish. The machining looked precise, and the barrel felt lighter than expected, a welcome surprise. I immediately appreciated the attention to detail with the 11-degree target crown.

Compared to a Ballistic Advantage Hanson profile barrel and a Criterion CORE barrel that I’ve used in the past, the Faxon Firearms Duty 5.56 NATO Barrel seemed to strike a nice balance between weight and rigidity. I had considered a cheaper, no-name barrel, but the Faxon Firearms reputation for quality, combined with the affordable price, made it an easy choice. My initial impression was one of cautious optimism – excited to see if it could deliver on its promises.

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Real-World Testing: Putting Faxon Firearms Duty 5.56 NATO Barrel to the Test

First Use Experience

I tested the Faxon Firearms Duty 5.56 NATO Barrel at my local range, which offers both indoor and outdoor facilities. I wanted to see how it performed under controlled conditions, as well as in a more natural environment. The weather was typical for early spring: cool, with intermittent light rain and a slight breeze.

I primarily used standard 55-grain FMJ ammunition, as well as some 62-grain green tips, to assess its accuracy with different loads. Installation was straightforward, with no unexpected issues. After sighting in, I quickly ran through several magazines, focusing on rapid follow-up shots. The rifle felt noticeably lighter and more maneuverable compared to my heavier-barreled ARs. There were no malfunctions, and the barrel seemed to handle the heat well.

Extended Use & Reliability

After several weeks of consistent use, the Faxon Firearms Duty 5.56 NATO Barrel has proven to be remarkably reliable. I’ve put roughly 1000 rounds through it at this point. There are no signs of excessive wear and tear.

Cleaning is a breeze, thanks to the smooth Nitride finish; carbon fouling wipes off easily. Compared to my previous experiences with phosphate-coated barrels, this barrel requires significantly less scrubbing to maintain. It’s definitely exceeded my expectations for a barrel in this price range.

Breaking Down the Features of Faxon Firearms Duty 5.56 NATO Barrel

Specifications

• Caliber: 5.56x45mm NATO. This ensures compatibility with a wide range of ammunition and AR-15 platforms.
• Material: 4150 CMV Steel. 4150 CMV steel is a Mil-Spec material known for its strength and durability under high heat and pressure.
• Barrel Profile: Gunner. The Gunner profile is a hybrid design, balancing weight savings with structural integrity.
• Gas System Length: Mid-Length. Mid-length gas systems are known to provide a smoother recoil impulse compared to carbine-length systems.
• Gas Block Journal Size: .625 in. This is a standard size, making it easy to find compatible gas blocks.
• Threads per Inch: 1/2×28. This is the standard thread pitch for 5.56 barrels, allowing for the use of common muzzle devices.
• Barrel Twist Rate: 1-8. The 1-8 twist rate is a versatile choice, capable of stabilizing a wide range of bullet weights, from lighter 55-grain rounds to heavier 77-grain projectiles.
• Finish: Nitride. The Nitride finish provides excellent corrosion resistance and hardness, extending the barrel’s lifespan.

Performance & Functionality

The Faxon Firearms Duty 5.56 NATO Barrel performs admirably, consistently delivering accurate shots. Groupings at 100 yards with 55-grain ammunition were consistently around 1.5-2 MOA, which is more than acceptable for a duty-grade barrel. The barrel’s reliability has been flawless, with no malfunctions experienced to date. It easily meets my expectations for a barrel intended for practical shooting and training.

The barrel shines as a general-purpose option. The Faxon Firearms Duty 5.56 NATO Barrel may not be the ultimate choice for precision shooting, but for its intended purpose, it is more than sufficient.

Design & Ergonomics

The Faxon Firearms Duty 5.56 NATO Barrel is well-designed, with a focus on both functionality and aesthetics. The “Gunner” profile strikes a good balance, making the rifle feel lighter and more maneuverable without sacrificing too much rigidity. The barrel is comfortable to handle and doesn’t add unnecessary bulk to the rifle.

The ease of installation and maintenance contribute to its user-friendly design. Even someone new to AR-15 builds should have no trouble installing this barrel.

Durability & Maintenance

The use of 4150 CMV Steel and the Nitride finish suggest that the Faxon Firearms Duty 5.56 NATO Barrel is built to last. The Nitride finish is incredibly durable and resistant to scratches and corrosion. Regular cleaning and lubrication should keep this barrel running smoothly for thousands of rounds.

Disassembly and cleaning are straightforward. The smooth Nitride finish makes removing carbon fouling quick and easy.

Accessories and Customization Options

The Faxon Firearms Duty 5.56 NATO Barrel is highly compatible with a wide range of AR-15 accessories. Its standard 1/2×28 thread pitch allows for the use of virtually any 5.56 muzzle device. The .625 gas block journal size also provides ample options for gas block selection.

While the barrel itself doesn’t come with any accessories, its compatibility with common AR-15 parts makes customization easy. I paired it with a Superlative Arms adjustable gas block for even greater control over recoil.

Pros and Cons of Faxon Firearms Duty 5.56 NATO Barrel