Zaffiri Precision SIG P365 Threaded Barrel - Black Nitride
Not Yet Rated | Write the First Review SKU: 222-ZAF-ZP-365BTBN
UPC: 659000000000
MFG#: ZP-365BTBN

Zaffiri Precision SIG P365 Barrel – Threaded 1/2x28, Black Nitride

Upgrade your SIG P365 with the precision and performance of a Zaffiri Precision Black Nitride Threaded Barrel. This drop-in replacement barrel enhances both accuracy and durability—while giving your everyday carry or range setup a sleek, tactical finish.

Machined from 416R stainless steel, this 9mm barrel is heat-treated and coated with a rugged black nitride finish for maximum corrosion resistance and longevity. It features a 1/2x28 thread pitch, compatible with most suppressors and muzzle devices, and comes with a thread protector to keep things clean when you're running it bare.

Whether you're building a custom pistol or want tighter groups with your factory slide, this match-grade barrel provides consistent, reliable performance without the need for gunsmithing.

🔧 Key Features:

• Fitment: SIG Sauer P365 (3.1” slide models)

• Thread Pitch: 1/2x28 for suppressors or compensators

• Finish: Black Nitride – smooth, durable, corrosion-resistant

• Material: 416R stainless steel for match-grade accuracy

• Rifling: Conventional – safe for lead and jacketed bullets

• Installation: True drop-in – no gunsmithing required

• Made in the USA

Looking to customize your P365 even further? View all SIG P365 barrel options to find the perfect match for your build.

For more customization options, explore our full line of SIG Sauer accessories or see all Zaffiri Precision upgrades.

❓ Frequently Asked Questions

Q: Will this barrel fit a P365 XL or P365 XMACRO?
A: No. This barrel is designed for the standard SIG P365 3.1-inch slide and is not compatible with longer P365 variants like the XL or XMACRO.

Q: Can I use a suppressor or compensator with this barrel?
A: Yes. It features a 1/2x28 threaded muzzle, the standard for 9mm suppressors and muzzle devices.

Q: Does the black nitride finish provide any functional benefit?
A: Absolutely. Black nitride improves surface hardness, reduces friction, and adds corrosion resistance—all while delivering a clean, tactical look.

Q: Is this a drop-in barrel, or does it need fitting?
A: It’s a true drop-in barrel—no modifications or gunsmithing needed.

Q: Can I shoot lead bullets through this barrel?
A: Yes. The conventional rifling design makes it compatible with lead, plated, and jacketed 9mm rounds.

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