Zaffiri Precision Threaded Barrel for P365XL | Stainless

Zaffiri Precision Threaded Barrel for P365XL | Stainless

The Zaffiri Precision Threaded Barrel for P365XL in Stainless is a clean, precision-machined upgrade for shooters who want 1/2×28 muzzle threads without adding a dark or high-contrast coating. Its natural stainless appearance gives the barrel a refined, mechanical look that pairs especially well with black, gray, stainless, and two-tone P365XL builds.

Machined from 416R stainless steel in the USA, this barrel is designed as a drop-in replacement for compatible SIG P365XL configurations. The 4.3-inch threaded profile extends beyond the slide to provide direct access to the 1/2×28 muzzle threads, while an included thread protector keeps the threads covered when a muzzle device is not installed.

Zaffiri Precision uses conventional broach-cut 6-groove rifling with a 1:10 left-hand twist. The chamber and bore are polished, the chamber is fully supported, and an improved feed ramp design is incorporated into the barrel. The chamber is cut to SAAMI specifications for 9mm ammunition.

This Stainless configuration also includes a Loaded Chamber Indicator notch and features Zaffiri Precision’s oversized lock-up area and target crown. For builders looking specifically for a stainless P365XL threaded barrel, this version offers a neutral finish and straightforward appearance without the visual emphasis of Gold TiN or Black Nitride.

Key Features

• Threaded barrel for SIG P365XL
• Natural Stainless finish
• Machined from 416R stainless steel
• Chambered in 9mm
• 1/2×28 muzzle threads
• Thread protector included
• Approximately 4.3-inch overall length
• Broach-cut 6-groove rifling
• 1:10 left-hand twist
• SAAMI-spec chamber
• Polished chamber and bore
• Fully supported chamber
• Improved feed ramp design
• Target crown
• Oversized lock-up area
• Stress relieved and heat treated to RC 40-42
• Loaded Chamber Indicator notch
• Large ZP logo machined on the port side of the lock-up
• Made in the USA

Stainless P365XL Barrel

The uncoated stainless appearance is the defining feature of this model. It provides a bright but neutral finish that works well in builds where the barrel is meant to complement the rest of the pistol rather than serve as a bold color accent.

1/2×28 Threaded Configuration

The 4.3-inch barrel extends beyond the P365XL slide to expose standard 1/2×28 muzzle threads. This allows use with compatible 9mm muzzle devices while the included thread protector provides a finished configuration when the muzzle threads are not in use.

Compatibility

• SIG P365XL
• Compatible P365XL-length slide assemblies
• Slides requiring an LCI-notched barrel
• Compatible 1/2×28 9mm muzzle devices when proper clearance requirements are met