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The Faxon Duty Series brings serious reliability to your P365 XL with a purpose-built design for both concealed carry and range use. What sets this apart is the 4150 CMV steel base—that's real strength material that'll absorb punishment without giving up accuracy. The salt bath nitride treatment inside and out gives you excellent corrosion resistance and reduced friction, which means your gun stays cleaner longer and cycles more smoothly.
You're getting tighter tolerances than stock, so the fit is secure without any slop. The barrel drops in with no gunsmithing needed on factory P365 XL slides, though Faxon notes you may need to remove the O-ring depending on your slide variant due to the compact design. The 1:10 twist and 11-degree target crown work together to tighten your groups while staying practical for everyday carry ammo.
The Duty Series was built for the kind of shooters who want reliability they can count on without overthinking it. That 4150 CMV steel with nitride finish absolutely shines with threaded muzzles and suppressors—the hard case on the surface resists thread wear and stands up to the heat stress that comes with suppressed shooting. You'll see longer thread life compared to untreated barrels, which matters if this is a core part of your setup.
The 1/2-28 threads are standard 9mm, so you've got endless options for suppressors, compensators, or muzzle brakes. Once you go threaded you'll wonder why you waited so long. The barrel runs conventional rifling, so cast bullets and match-grade rounds both feed reliably.
Faxon machines everything in-house at their Ohio facility with ISO certifications, and it's backed by a lifetime guarantee covering manufacturing defects. That's peace of mind for a premium barrel upgrade.
Yes, it's a true drop-in fit designed for factory-spec P365 XL slides with no gunsmithing required. Faxon does note that due to the slim slide design, you may need to remove the O-ring from the barrel during installation depending on your specific slide variant. Installation takes less than a minute once you're familiar with your pistol's takedown.
Absolutely. The 1/2-28 thread pitch is the standard for 9mm muzzle devices, so you have broad compatibility with suppressors, compensators, and other threaded attachments. The nitride-hardened surface is particularly durable under the stress of threaded device use, resisting galling and thread wear better than untreated barrels.
The conventional rifling means you're good with jacketed rounds, match ammunition, and cast lead bullets. It runs the full spectrum of factory 9mm loads and handloads without issues. The chamber is SAAMI-spec compliant for reliable feeding across major ammunition brands.
The nitride finish on 4150 CMV creates a hard surface case that resists wear from threaded devices and suppressor use better than untreated steel. It also offers excellent corrosion resistance and reduces friction, keeping your bore cleaner longer. While stainless options have different advantages, this combination excels for carry and duty use with threaded attachments.
| UPC | 816341028494 |
|---|---|
| Manufacturer | |
| Manufacturer Part Number | 365A910NXNOQT |
| Model |
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