Give your P365 platform a serious performance upgrade with the Faxon Firearms Match Series Threaded Barrel (9mm, 4.3") for Sig Sauer P365 / P365 XL. Designed for shooters who want match-grade consistency, modern muzzle-device compatibility, and durable everyday wear resistance, this premium barrel features a 1:10 twist rate, a 1/2x28 threaded muzzle, and a rugged black nitride finish built to stand up to hard range use and carry conditions. Whether you’re building a compensated setup (where lawful), fine-tuning recoil and muzzle rise, or simply upgrading for enhanced precision and longevity, the Faxon Match Series barrel is engineered to elevate your P365/XL into a more refined, more capable shooter. Product identifiers: 365B910NXSOQ-T / 365B910NXSOQT and UPC 816341026056.
If you’re searching for a Faxon P365 XL threaded barrel, a P365 4.3" 1/2x28 barrel, or 365B910NXSOQT, this is a top-tier option built for performance-focused owners who want the right specs from a trusted barrel manufacturer.
Match Series Performance: Designed for Consistency and Accuracy Potential
Faxon’s Match Series barrels are built with tighter performance expectations in mind, making them a popular upgrade for shooters who demand more from their pistol than basic factory parts. A match-grade barrel can help support:
Improved shot-to-shot consistency (ammo and setup dependent)
Refined fit and lockup characteristics for repeatable performance
Enhanced accuracy potential with quality ammunition
A premium feel that upgrades the entire pistol’s performance profile
For P365 and P365 XL owners who spend real time training, shooting drills, or running high round counts, a match barrel is one of the most impactful upgrades you can install.
Fits Sig Sauer P365 / P365 XL: A Modern Upgrade for a Modern Platform
The Sig Sauer P365 family is famous for offering exceptional concealability and capacity, and it has become a favorite platform for performance carry builds. This barrel is designed for P365 / P365 XL applications in 9mm, making it ideal for shooters who want:
A threaded muzzle without sacrificing quality
A durable, corrosion-resistant finish for daily use
Modern compatibility for common 9mm muzzle devices
A premium barrel option from a respected American manufacturer
If you’ve already invested in a P365/XL and want to push the platform further, this is the kind of upgrade that makes the pistol feel more “dialed in.”
4.3" Length: Extended Performance and Modern Build Flexibility
This 4.3-inch barrel length is a strong choice for shooters who want added sight radius/velocity potential and more muzzle-device clearance while still keeping the P365 platform practical. A longer barrel can offer:
Potentially improved velocity over shorter configurations (load dependent)
A slightly steadier feel in hand for follow-up shots
More flexibility for threaded setups and accessory tuning
A performance-forward profile many shooters prefer for range and training
For P365 XL users in particular, a 4.3" threaded barrel is a popular way to build a compact pistol with a more refined shooting impulse and modern configuration options.
1/2x28 Threaded Muzzle: The Standard for 9mm Compatibility
The 1/2x28 thread pitch is the most common standard for 9mm pistol muzzle devices in the U.S., making it easier to find compatible accessories such as:
A threaded barrel gives you the flexibility to customize your setup to match your goals—whether that’s recoil control, faster follow-up shots, or simply a more configurable system.
Note: Always verify local regulations and ensure any muzzle device is properly installed and aligned per manufacturer specifications.
1:10 Twist Rate: Optimized for Common 9mm Loads
A 1:10 twist is a widely used and well-proven twist rate for 9mm, designed to stabilize the common bullet weights most shooters actually use. It supports:
Consistent accuracy across a wide range of training ammo
Reliable performance with popular defensive loads (as applicable)
A balanced spec that suits everyday shooting and high-volume practice
If you shoot a variety of 9mm loads, this twist rate is built for practical versatility.
Black Nitride Finish: Durable, Wear-Resistant, Corrosion-Resistant
The black nitride finish is a major benefit for both range shooters and everyday carriers. Nitriding is valued because it:
Enhances surface hardness and wear resistance
Offers excellent corrosion resistance for carry environments
Provides a low-glare, tactical black appearance
Holds up well to holster wear, cleaning, and frequent handling
If your pistol lives in a holster, range bag, or nightstand, a durable finish helps keep your barrel protected and looking sharp.
Ideal for Performance Carry Builds, Training, and Range Use
This Faxon Match Series threaded barrel is a great fit for:
Shooters building a compensated P365/XL setup (where lawful)
High-round-count training pistols needing durable components
Owners who want premium machining and a match-grade feel
Users looking for a threaded 1/2x28 P365/XL barrel with trusted specs
Enthusiasts who want a clean, modern black nitride aesthetic
It’s an upgrade designed for shooters who want measurable capability and long-term durability—not just cosmetic changes.
Product Details and SEO Search Terms (Easy Reference)
To ensure accurate ordering and listing:
Brand: Faxon Firearms
Series: Match Series
Caliber: 9mm (9MM)
Barrel Length: 4.3"
Twist Rate: 1:10
Fits: Sig Sauer P365 / P365 XL
Thread Pitch: 1/2x28 (Threaded)
Finish: Black Nitride
Part Numbers: 365B910NXSOQ-T / 365B910NXSOQT
UPC: 816341026056
Common searches: Faxon P365 XL threaded barrel 4.3 1/2x28, 365B910NXSOQT, 816341026056, P365 4.3 inch nitride threaded barrel, Match series P365 barrel 1:10 twist
A Premium 4.3" Threaded Match Barrel for the Sig P365 / XL Platform
If you want a match-grade barrel upgrade that adds modern muzzle-device compatibility and durable performance to your P365 build, the Faxon Firearms Match Series 9mm 4.3" Threaded Barrel (1:10 twist, 1/2x28, black nitride) for Sig Sauer P365/P365 XL (365B910NXSOQ-T / 365B910NXSOQT / 816341026056) is an outstanding choice. Built for consistency, durability, and high-performance configurations, it’s the upgrade that helps your P365/XL shoot smoother, run harder, and stay ready—whether you’re training, tuning, or building the ultimate compact setup.
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