Can I use these barrels with aftermarket slides?

Absolutely. These barrels are engineered for use with most aftermarket Sig P365 and P365XL slides from brands like True Precision and Zaffiri.

Sig P365 Barrel & P365XL Barrel | Threaded & Match-Grade

Name: True Precision Sig P365 Barrel – Threaded, Gold TiN
Brand: True Precision
SKU: TP-P365-BRL-GOLD-TB
Price: 189.00 USD

**Faxon Match Barrel P365 Sflt Blk Tb** $119.27

**Faxon Match Barrel P365 Xl Sflt Blk Tb** $119.27

**Radian Afterburner Ramjet For P365** $397.21

**Radian Aftrbrnr Ramjet Sig P365 Brnz** $416.98

**Radian Aftrbrnr Ramjet P365xl Blk** $397.21

**Radian Aftrbrnr Ramjet P365xl Brnz** $416.98

**True Precision P365 Barrel 9mm Copper Tb** $189.99

**True Precision P365 Barrel 9mm Gold Tb** $189.99

**True Precision P365 Barrel 9mm Blk Nit Tb** $180.49

**True Precision P365 Barrel 9mm Blk Dlc Tb** $189.99

**True Precision P365 Barrel 9mm Stainless Tb** $170.99

**True Precision P365 Barrel 9mm Spec** $180.49

**True Precision P365 Barrel 9mm Blk Nit** $170.99

**True Precision P365 Barrel 9mm Gld** $180.49

**True Precision P365 Barrel 9mm Cpr** $180.49

**True Precision P365 Barrel 9mm Blk Dlc** $180.49

**True Precision Duty Barrel P365 Blk Tb** $151.99

**True Precision Barrel P365 Fuse Tin Gld Tb** $190.46

**True Precision Barrel P365 Fuse Blk Nit Tb** $181.54

**True Precision Barrel P365 Fuse Ticn Cpr Tb** $190.46

**True Precision Barrel P365 Fuse Blk Dlc Tb** $190.46

**True Precision Barrel Sig P365 Fuse Gld Tin** $181.54

**True Precision Barrel Sig P365 Fuse Cpr** $181.54

**True Precision Barrel Sig P365 Fuse Blk Nit** $172.61

Sig P365 Barrel & Sig P365XL Barrel Upgrades – Threaded & Match-Grade Options

Precision Barrels for the Sig P365 & P365XL Platform

Looking to upgrade your Sig P365 or P365XL for tighter groups, smoother cycling, and superior reliability? Our selection of Sig P365 barrels and Sig P365XL barrels includes match-grade, drop-in options designed to elevate your pistol’s performance.

Whether you're running a stock slide or a custom-cut aftermarket slide, these barrels are precision-machined for exact fit, suppressor compatibility, and accuracy enhancement. Choose from threaded or non-threaded barrels in premium coatings like TiN Gold, DLC Black, Stainless, and Copper.

Why Upgrade to a Match-Grade Sig P365 or P365XL Barrel?

✅ Improved accuracy and barrel life
✅ Threaded options for suppressors or compensators
✅ Designed for OEM and aftermarket slide compatibility
✅ CNC machined from high-grade stainless steel
✅ Stylish finishes to match your build

🔧 Barrel Compatibility

All barrels listed here are drop-in ready and compatible with:

Sig Sauer OEM slides (P365, P365XL)
Aftermarket slides from brands like True Precision, Zaffiri Precision, and Spectre Comp
Optics-ready, ported, and windowed slides

🎯 Featured Sig P365 & P365XL Barrels

True Precision P365 Barrel – Gold TiN, Threaded 9mm
Faxon Match Barrel P365XL – Black Nitride, Threaded
Radian Afterburner + Ramjet System – P365 Bronze Finish
True Precision Duty Series – P365 DLC Non-Threaded

🧠 FAQ: Sig P365 & P365XL Barrels

Q: What’s the difference between a P365 and P365XL barrel?
A: P365XL barrels are longer and designed to fit the XL slide. Make sure you select the correct model for your slide length.

Q: Are these barrels compatible with factory Sig slides?
A: Yes, all barrels listed are drop-in compatible with factory Sig P365 and P365XL slides, no gunsmithing required.

Q: Can I use these with my aftermarket slide?
A: Absolutely. These barrels are designed to work with most aftermarket Sig P365 slides from leading brands.

Q: Do threaded barrels require a thread protector?
A: We recommend using one. Many of our threaded barrels include a matching thread protector in the finish of your choice.

🔗 Need a Matching Slide?

Looking for a custom slide to pair with your new barrel?
Browse our Sig P365 & P365XL Slides →

🚀 Complete Your Custom P365 Build

Whether you're building an EDC pistol or optimizing for suppressed shooting, a high-quality barrel is essential. These Sig P365 barrels and Sig P365XL barrels are engineered to deliver performance you can trust, shot after shot.

✅ Drop-in fit
✅ Match-grade precision
✅ Multiple finishes
✅ Suppressor-ready