The Faxon Firearms ARAK-21 16″ 7.62×39 Complete Upper Receiver Black Made a Bold First Impression
For years, I’ve been a staunch supporter of the AR platform, but always felt somewhat limited by its direct impingement gas system, especially when chambering the venerable 7.62×39 cartridge. Enter the Faxon Firearms ARAK-21 16″ 7.62×39 Complete Upper Receiver Black: a gas piston-operated marvel promising AK-like reliability on my existing AR-15 lower. It was a gamble, trading familiar ergonomics for potentially superior functionality in a hard-hitting caliber.
I’d been searching for a way to tame the 7.62×39’s inherent unreliability in the AR platform and reduce carbon fouling in the receiver. The Faxon ARAK-21’s gas piston system seemed like the perfect solution, offering cleaner operation and adjustable gas settings. My initial concerns centered on weight and potential compatibility issues with my existing lower receiver.
Unboxing the ARAK-21 was a surprisingly pleasant experience. The black finish was flawless, and the upper felt solid and well-made. It was heavier than my standard DI upper, but not excessively so. The included quad rail and ambidextrous charging handle were nice touches that suggested a thoughtful design. Compared to other piston AR uppers I’d considered, like those from Adams Arms and Primary Weapon Systems, the Faxon seemed to strike a better balance between price, features, and purported ease of installation. I was cautiously optimistic – excited by the potential, but also prepared for potential teething problems.
Real-World Testing: Putting Faxon Firearms ARAK-21 16″ 7.62×39 Complete Upper Receiver Black to the Test
First Use Experience
My first outing with the Faxon ARAK-21 was at my local outdoor range, where I could stretch its legs and see how it handled different types of ammunition. I tested it with a variety of 7.62×39 loads, from cheap steel-cased ammo to more premium brass-cased options. The weather was mild and dry, perfect for getting acquainted with the new upper.
The ARAK-21 initially presented a few hiccups. The gas adjustment needed tweaking to reliably cycle the steel-cased ammunition. Once dialed in, however, it ran surprisingly smoothly, ejecting spent casings with authority. It was noticeably cleaner than my DI upper after a few magazines, validating the piston system’s claims.
Extended Use & Reliability
After several months of regular use, the Faxon ARAK-21 has proven to be a dependable and robust system. I’ve put hundreds of rounds through it in various conditions, including a dusty desert environment and a drizzly late-autumn range day. The finish has held up well, with only minor wear marks on the contact points.
Cleaning the ARAK-21 is significantly easier than cleaning a direct impingement AR. The gas piston components are easily accessible, and the receiver stays remarkably cleaner. Compared to my experiences with my previous DI 7.62×39 upper, the Faxon is a clear winner in terms of reliability and ease of maintenance.
Breaking Down the Features of Faxon Firearms ARAK-21 16″ 7.62×39 Complete Upper Receiver Black
Specifications
- Caliber: 7.62x39mm, offering a potent cartridge choice for a variety of applications. This cartridge delivers significant energy downrange, making it suitable for hunting and defense.
- Barrel Length: 16 inches, striking a balance between maneuverability and ballistic performance. This length ensures sufficient dwell time for optimal gas pressure and projectile velocity.
- Gas System: Long-stroke gas piston system, providing cleaner and more reliable operation compared to direct impingement. The long-stroke design contributes to smoother cycling and reduced recoil impulse.
- Upper Receiver Material: 6061-T6 aircraft-grade aluminum, ensuring strength and durability while keeping weight manageable. This aluminum alloy offers excellent corrosion resistance and structural integrity.
- Muzzle Device: MuzzLok 3 Port Muzzle Brake, effectively reducing recoil and muzzle climb for enhanced control. The three-port design efficiently redirects gas, minimizing felt recoil.
- Charging Handle: Ambidextrous, non-reciprocating, foldable, spring-returned, offering versatility and ease of use for both left- and right-handed shooters. The non-reciprocating design eliminates interference with optics and other accessories.
- Bolt Design: Eight (8) lug bolt design, providing robust lockup and enhanced reliability. The involute profile ensures smooth and consistent engagement with the barrel extension.
Performance & Functionality
The Faxon ARAK-21 excels in delivering AK-like reliability to the AR platform. Its adjustable gas system is crucial for tuning the upper to various ammunition types, ensuring consistent cycling. The MuzzLok muzzle brake effectively mitigates recoil, making follow-up shots faster and more accurate.
The upper’s accuracy is more than sufficient for most applications, easily achieving 2-3 MOA with quality ammunition. The ambidextrous charging handle is a welcome addition, enhancing usability for left-handed shooters. The only real weakness is the slightly increased weight compared to a standard DI upper, which is a trade-off for the added reliability of the gas piston system.
Design & Ergonomics
The ARAK-21’s build quality is excellent, with tight tolerances and a durable finish. The one-piece upper receiver provides a rigid platform for optics and accessories. The quad rail forend offers ample space for mounting lights, lasers, and other tactical gear.
The ergonomics are generally good, although the slightly wider forend may take some getting used to for shooters with smaller hands. The ambidextrous charging handle is a standout feature, providing easy access from either side. The learning curve is minimal, especially for experienced AR shooters.
Durability & Maintenance
The ARAK-21 is built to withstand rigorous use. The hardened steel rail system for the bolt carrier ensures long-term durability and smooth operation. The gas piston system is designed for easy cleaning and maintenance.
Disassembly and cleaning are straightforward, requiring only basic tools. The self-contained firing pin retention system eliminates the need for a cotter pin, simplifying maintenance. With proper care, the ARAK-21 should provide years of reliable service.
Accessories and Customization Options
The Faxon ARAK-21 comes with a manual, two Allen wrenches for the lower forearm and front picatinny rails, as well as the BAU removal tools. The upper receiver’s full-length Picatinny rail allows for easy mounting of optics, such as red dot sights, scopes, or holographic sights. The M4-style quad rail forend provides ample space for attaching accessories like weapon lights, vertical grips, and lasers.
While the ARAK-21 uses a proprietary bolt carrier and other internal components, it is compatible with standard AR-15 lower receivers and magazines. The system allows for the addition of a folding stock, as Faxon’s recoil system does not extend beyond the upper receiver.
Pros and Cons of Faxon Firearms ARAK-21 16″ 7.62×39 Complete Upper Receiver Black
Pros
- Cleaner operation due to the gas piston system.
- Adjustable gas system for reliable cycling with various ammunition types.
- Ambidextrous charging handle enhances usability for all shooters.
- Durable construction with high-quality materials.
- Allows for the addition of a folding stock
Cons
- Heavier than a standard DI upper.
- Requires some initial tuning of the gas system.
Who Should Buy Faxon Firearms ARAK-21 16″ 7.62×39 Complete Upper Receiver Black?
Perfect for: Shooters seeking AK-like reliability in an AR platform, those wanting to shoot 7.62×39 without the typical AR malfunctions, individuals who want a cleaner-running AR, and those looking to add a folding stock to their AR.
Who should skip this product? Shooters prioritizing lightweight builds above all else and those unwilling to spend time adjusting the gas system.
Must-have accessories or modifications? A quality optic (red dot or scope) and a reliable supply of 7.62×39 magazines.
Conclusion on Faxon Firearms ARAK-21 16″ 7.62×39 Complete Upper Receiver Black
The Faxon Firearms ARAK-21 16″ 7.62×39 Complete Upper Receiver Black is a compelling option for AR enthusiasts seeking enhanced reliability and the power of the 7.62×39 cartridge. While it’s not the lightest or cheapest option on the market, its robust construction, adjustable gas system, and cleaner operation make it a worthwhile investment. For those willing to spend a little more for a significant upgrade in performance and reliability, the ARAK-21 is an excellent choice. If you are tired of constant failures and carbon buildup in your AR, this is worth the money.