SIG Sauer P365 9mm Threaded Barrel 4.3"
- 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
- CO2 Air Pistol $99.99
- Corrosion-Resistant Slide Kit $85.88
- Flat Trigger Kit $42.35
- IWB Holster TLR-7SUB $44.95
Factory SIG Sauer replacement barrel for P365 pistols. 4.3-inch 9mm with 1/2-28 threads for suppressor mounting. Drop-in fit for reliable performance.
Fits: SIG Sauer P365
SIG Sauer P365 Threaded Barrel
This is an authentic SIG Sauer factory barrel engineered specifically for the P365 compact pistol platform. The 4.3-inch length provides a meaningful increase in sight radius and velocity compared to the standard P365 barrel while maintaining the pistol's compact profile.
Key Features
- Caliber: 9mm Parabellum
- Length: 4.3 inches
- Threading: 1/2-28 (industry standard for 9mm suppressors)
- Fit: Direct replacement for P365 models
- Material: Precision-machined steel with SIG's quality standards
Why Choose This Barrel
The threaded design opens up suppressor compatibility, allowing you to reduce muzzle report and recoil impulse for more comfortable shooting and better hearing protection. The extended length improves velocity and sight radius without sacrificing the P365's renowned concealability.
This is a genuine SIG Sauer component manufactured to the same exacting standards as the original equipment. Installation is straightforward for anyone familiar with basic pistol maintenance—simply swap the barrel and you're ready to run suppressors or standard ammunition.
Whether you're building a dedicated suppressed carry gun or exploring the benefits of sound reduction, this barrel delivers SIG's proven reliability in a versatile package.
