True Precision P365 Threaded Barrel – Black DLC, 3.1"
Not Yet Rated | Write the First Review SKU: 222-TRU-TP-P365B-XTBC
UPC: 719000000000
MFG#: TP-P365B-XTBC

True Precision SIG P365 3.1" Threaded Barrel – Black DLC Finish

Take your SIG P365 to the next level with a premium upgrade that delivers both performance and style. The True Precision 1/2x28 threaded barrel for the 3.1" P365 is precision-engineered to enhance accuracy, improve reliability, and give your pistol a custom look—all while being ready for suppressors or compensators.

Made from USA-sourced 416R stainless steel and finished in a rugged Black DLC coating, this drop-in barrel is built for serious shooters who demand durability and precision. The DLC (Diamond-Like Carbon) finish not only resists corrosion but reduces friction, heat, and wear—ideal for concealed carry or extended range use.

Every barrel features broach-cut rifling for increased consistency and allows use with all types of ammo, including lead. Whether you're running a P365, P365 SAS, or P365X, this barrel fits flawlessly—no gunsmithing required.

From EDC to competition, True Precision's threaded P365 barrel delivers premium American craftsmanship in a compact, high-performance package.

🔧 Specs at a Glance

• Fit: SIG P365, P365 SAS, P365X (3.1" 9mm)

• Threading: 1/2x28 for suppressors or comps

• Material: 416R Stainless Steel

• Finish: Black DLC (Diamond-Like Carbon)

• Rifling: 6-groove, broach-cut (compatible with all ammo types)

• Installation: Drop-in ready – no gunsmithing required

• Made in the USA: Yes

Looking to fully customize your SIG P365? Explore more SIG Sauer upgrades for performance and carry optimization. Pair this barrel with one of our compatible muzzle devices to complete your build.

This drop-in threaded barrel is just one of many 9mm pistol barrels we offer, all designed for reliability and precision. Built by True Precision, it’s backed by American manufacturing and a commitment to performance.

💬 Frequently Asked Questions (FAQ)

Q: Will this barrel fit the P365X or P365 SAS?
A: Yes, this 3.1" barrel is fully compatible with the standard P365, P365 SAS, and P365X models.

Q: Is the barrel suppressor-ready?
A: Absolutely. The 1/2x28 threaded muzzle is compatible with most 9mm suppressors and compensators.

Q: Do I need a gunsmith to install it?
A: Not at all. This is a drop-in fit for your factory slide—installation is simple and tool-free.

Q: Can I use lead ammunition with this barrel?
A: Yes. Thanks to its broach-cut rifling, you can safely use both jacketed and lead ammo.

Q: What’s the benefit of the Black DLC finish?
A: Black DLC offers superior corrosion resistance, reduced friction, and a clean tactical look that holds up under heavy use.

Upgrade Your SIG P365 – Shop Threaded Barrels

Get match-grade SIG P365 threaded barrels from top brands like True Precision & Faxon.
✅ Suppressor-ready (1/2x28)
✅ P365, P365X, SAS compatible
✅ DLC & Nitride finishes
Fast shipping – drop-in ready!