SIG Sauer P365 9mm Threaded Barrel 3.7 inch
- 10-Round Magazine $35.28
- 10-Round, Coyote Brown $47.06
- 10rd Finger Extension $39.99
- 15-Round Magazine $47.06
- 21-Round Extended $59.41
- 21-Round Extended Magazine $59.41
- 3.1" Replacement Barrel $154.71
- 380 Auto 12-Round Magazine $47.06
- 9mm Threaded Barrel 4.3" $198.24
- CO2 Air Pistol $99.99
- Corrosion-Resistant Slide Kit $85.88
- Flat Trigger Kit $42.35
Factory SIG Sauer replacement barrel for P365 pistols. 9mm, 3.7-inch length with 1/2-28 threads for suppressor mounting. Direct fit, no gunsmithing required.
Fits: SIG Sauer P365
SIG Sauer P365 Threaded Barrel
This is the factory replacement barrel for SIG Sauer's popular P365 compact pistol, chambered in 9mm Parabellum. The 3.7-inch barrel length matches the original P365 specifications while adding the modern advantage of suppressor-ready threading.
Key Features
- Caliber: 9mm Parabellum
- Length: 3.7 inches
- Threading: 1/2-28 (standard suppressor mount)
- Manufacturer: SIG Sauer
- Direct Fit: No modifications required for P365 platforms
What You Get
A genuine SIG Sauer barrel manufactured to the same exacting standards as the original equipment. The 1/2-28 threading accepts most modern 9mm suppressors on the market, opening up options for hearing protection and reduced recoil impulse during training and sport shooting.
Installation
This barrel installs as a direct replacement in any P365 pistol. No gunsmithing or special tools are required beyond basic pistol maintenance knowledge. The P365's modular design makes barrel swaps straightforward for shooters who want to maintain both threaded and non-threaded options.
Why Choose This Barrel
If you're building a suppressor-ready P365 or upgrading an existing pistol, this factory barrel ensures reliability and proper function. It's the same barrel SIG Sauer uses in their factory threaded P365 models.
