First Impressions of Faxon Firearms MPI 8.6mm/.338 Bore Rifle Barrel
The Faxon Firearms MPI 8.6mm/.338 Bore Rifle Barrel represents a commitment to pushing the boundaries of AR platform capabilities. Faxon Firearms is known for its innovative designs and quality manufacturing, and this barrel promises to deliver exceptional performance for those venturing into the realm of large-caliber AR builds. It’s a specialized piece of equipment designed for both the 8.6 Blackout and .338 Winchester Magnum cartridges, offering flexibility and serious firepower.
My journey to this barrel started with a desire to create a truly long-range AR platform capable of taking down larger game at extended distances. The standard AR-15 cartridges simply weren’t cutting it for my needs on a recent elk hunt. I wanted to explore the potential of the 8.6 Blackout and .338 Winchester Magnum in a modern sporting rifle, and this barrel seemed like the perfect starting point.
Upon unboxing, the first thing I noticed was the hefty feel of the barrel. The 416-R stainless steel construction exudes quality and durability. The machining is clean and precise, reflecting Faxon Firearms‘ attention to detail.
I considered a few other options, including barrels from Proof Research and Krieger Barrels. However, the Faxon Firearms barrel offered a compelling balance of performance and price. I was particularly drawn to its compatibility with both 8.6 Blackout and .338 Winchester Magnum, giving me versatility in ammunition selection.
My initial impression was one of excitement and anticipation. This barrel appears to be a robust and well-engineered component that holds the promise of transforming my AR platform into a serious long-range contender.
Real-World Testing: Putting Faxon Firearms MPI 8.6mm/.338 Bore Rifle Barrel to the Test
First Use Experience
I tested the Faxon Firearms MPI 8.6mm/.338 Bore Rifle Barrel at my local shooting range, specifically targeting distances of 100 to 500 yards. The weather conditions were moderately windy, providing a decent challenge to assess the barrel’s performance in less-than-ideal circumstances. I also brought it on a hog hunt, where I knew a single, well-placed shot was crucial.
The initial setup required some adjustments to my gas system, as expected with such a large-caliber conversion. Once dialed in, the barrel proved surprisingly manageable. The recoil was significant, particularly with the .338 Winchester Magnum, but the rifle remained controllable. There were no immediate issues, and the barrel seemed to function flawlessly right out of the box.
Extended Use & Reliability
After several weeks of consistent use, the Faxon Firearms barrel has proven to be remarkably reliable. There are no signs of premature wear or tear, and the stainless-steel finish has held up well against the elements. I’ve put roughly 300 rounds of each caliber through it, and have seen no degradation in accuracy.
Cleaning and maintenance are relatively straightforward, thanks to the stainless-steel construction. A standard bore brush and solvent are all that’s needed to keep the barrel in optimal condition. Compared to some of my previous experiences with other barrels, this one requires minimal fuss. This barrel definitely exceeds my expectations in terms of reliability and ease of maintenance.
Breaking Down the Features of Faxon Firearms MPI 8.6mm/.338 Bore Rifle Barrel
Specifications
- Manufacturer: Faxon Firearms
- Caliber: 8.6mm Blackout, .338 Winchester Magnum; Offering dual-caliber capability is a key selling point for those seeking versatility.
- Barrel Length: 18 inches; Provides a good balance between maneuverability and velocity for both calibers.
- Gas System Length: Rifle Length; Ensures smoother cycling and reduced recoil compared to shorter gas systems.
- Barrel Twist Rate: 1-3; An exceptionally fast twist rate is crucial for stabilizing the heavy projectiles used in both 8.6 Blackout and .338 Winchester Magnum.
- Barrel Material: Stainless Steel; 416-R stainless steel offers excellent corrosion resistance and accuracy potential.
- Gun Make: AR Platform; Designed for easy integration into existing AR-10 or large-frame AR platforms.
- Gun Type: Rifle; Specifically designed for rifle configurations.
These specifications highlight the barrel’s focus on delivering maximum performance and versatility within the AR platform. The fast twist rate is particularly noteworthy. It ensures that the heavy, long-range projectiles used in both calibers are stabilized for optimal accuracy at extended distances.
Performance & Functionality
The Faxon Firearms MPI 8.6mm/.338 Bore Rifle Barrel performs exceptionally well when properly configured. Accuracy is excellent, with consistent sub-MOA groups achievable with both calibers using quality ammunition. The rifle-length gas system ensures smooth cycling and manageable recoil, even with the potent .338 Winchester Magnum.
The only potential drawback is the need for careful gas system tuning to ensure reliable cycling with different ammunition types. However, once properly adjusted, the barrel functions flawlessly. It definitely meets and, in some respects, exceeds my expectations for a large-caliber AR barrel.
Design & Ergonomics
The barrel’s stainless-steel construction provides excellent corrosion resistance and a sleek, professional appearance. The weight is reasonable for an 18-inch barrel of this caliber. This helps maintain overall rifle balance. The smooth finish and precise machining further enhance the overall quality and feel of the barrel.
There is virtually no learning curve associated with this barrel. It installs like any other AR barrel. However, you will need to ensure compatibility with your existing upper receiver and bolt carrier group.
Durability & Maintenance
The 416-R stainless steel used in the Faxon Firearms barrel ensures excellent durability and longevity. With proper care and maintenance, this barrel should last for thousands of rounds. Cleaning is simple and straightforward, requiring only basic gun cleaning supplies.
There are no foreseeable maintenance issues, assuming standard gun maintenance practices are followed. The stainless-steel construction resists corrosion. This minimizes the need for specialized cleaning procedures.
Accessories and Customization Options
The Faxon Firearms MPI 8.6mm/.338 Bore Rifle Barrel doesn’t come with any specific accessories. However, it is compatible with a wide range of AR platform accessories. This includes muzzle devices, gas blocks, and handguards. The barrel’s standard AR threading allows for easy attachment of suppressors and other muzzle devices.
The primary customization option is the choice of ammunition. It’s flexible in that it’s compatible with both 8.6 Blackout and .338 Winchester Magnum. Beyond that, users can further customize their builds with aftermarket triggers, stocks, and optics to tailor the rifle to their specific needs.
Pros and Cons of Faxon Firearms MPI 8.6mm/.338 Bore Rifle Barrel
Pros
- Dual Caliber Capability: Supports both 8.6 Blackout and .338 Winchester Magnum, providing unmatched versatility.
- Exceptional Accuracy: Consistently delivers sub-MOA performance with quality ammunition.
- Durable Construction: 416-R stainless steel ensures long-lasting performance and corrosion resistance.
- Rifle-Length Gas System: Reduces recoil and improves cycling smoothness.
- Fast Twist Rate: Optimized for stabilizing heavy, long-range projectiles.
Cons
- Gas system tuning may be required for optimal performance with different ammunition types.
- Requires a large-frame AR platform. This means it may not be compatible with standard AR-15 components.
Who Should Buy Faxon Firearms MPI 8.6mm/.338 Bore Rifle Barrel?
The Faxon Firearms MPI 8.6mm/.338 Bore Rifle Barrel is perfect for:
- Long-range shooters seeking to extend the capabilities of the AR platform.
- Hunters targeting larger game at extended distances.
- Reloaders who appreciate the flexibility of both 8.6 Blackout and .338 Winchester Magnum.
- Those building custom AR rifles for specialized applications.
This product is not ideal for:
- Shooters primarily focused on close-quarters combat (CQB) scenarios.
- Those on a tight budget, as large-caliber AR builds can be expensive.
- Individuals unfamiliar with AR platform modifications.
Must-have accessories or modifications:
- Adjustable gas block for fine-tuning cycling.
- High-quality optic suitable for long-range shooting.
- Muzzle brake or suppressor to mitigate recoil.
Conclusion on Faxon Firearms MPI 8.6mm/.338 Bore Rifle Barrel
The Faxon Firearms MPI 8.6mm/.338 Bore Rifle Barrel is a well-engineered and high-performing component that delivers on its promise of expanding the AR platform’s capabilities. Its dual-caliber compatibility, exceptional accuracy, and durable construction make it a compelling choice for those seeking a versatile and powerful long-range rifle. The price is justified considering the performance and features offered.
I would absolutely recommend this barrel to anyone looking to build a large-caliber AR rifle for hunting, long-range shooting, or other specialized applications. It’s a quality product that will not disappoint.
Ready to take your AR platform to the next level? Consider the Faxon Firearms MPI 8.6mm/.338 Bore Rifle Barrel and experience the power and versatility it has to offer. You won’t regret it.