Description
Replacement barrel for Sig Sauer P320 full-size (P320FS) pistols chambered in 9mm Luger. The barrel measures 5.5 inches and is finished in a durable nitride, with a threaded muzzle featuring a 13.5x1mm pattern for compatible muzzle devices. This factory-fit barrel is intended for use with P320 full-size slides and can be installed after standard slide and module removal procedures.
Key Specifications
- Manufacturer: Sig Sauer.
- Model fit: P320 Full Size (P320FS).
- Caliber: 9mm Luger.
- Barrel length: 5.5 inches.
- Finish: Nitride.
- Thread specification: 13.5x1mm.
- Barrel feature: Threaded.
- Material: Black Nitride steel.
- Compatibility: Designed to fit Sig Sauer P320 full-size slides.
Whether replacing a worn factory barrel or adding threaded muzzle capability, this Sig Sauer 5.5-inch nitride barrel delivers a direct-fit option for P320 full-size owners seeking durable construction and threaded compatibility. Its factory-oriented design and finish make it a practical choice for range use, duty setups, and modular maintenance on P320 platforms.





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