
Availability: In Stock
The Sig Sauer P320/P250 Compact .40 S&W 3.90" Black Nitron barrel is a factory replacement barrel designed for shooters who need a direct-fit upgrade or replacement for their compact Sig platform pistol. Whether you're a competitive shooter looking to refresh a worn barrel, a gunsmith stocking common parts, or a pistol owner who wants to swap calibers on a P320 or P250 Compact frame, this barrel delivers Sig's proven reliability in a compact profile. The 3.90" length is optimized for the Compact slide geometry, offering the handling characteristics these guns are known for while maintaining standard .40 S&W performance.
Built with Sig's Nitron finish, this barrel resists corrosion and wear in the field or at the range. The black coating sits well aesthetically and protects against the elements—critical if you're running your compact Sig hard or in variable conditions. As a factory OEM part, fitment is guaranteed across compatible P320 and P250 Compact models, so you're not gambling on a third-party fit or dealing with gunsmithing labor.
This barrel is ideal for shooters who want to maintain their platform with genuine Sig parts rather than hunting for aftermarket alternatives. Stock a spare if you shoot often, or keep one on hand for a future build. The .40 S&W chambering provides moderate recoil and solid power in a compact package—a practical choice for defensive and sport shooting alike.
| Product Name | Sig Sauer P320/P250 Compact .40 S&W 3.90" Black Nitron Barrel |
| Model | BBLMODC40 |
| Brand | Sig Sauer |
| Caliber | .40 S&W |
| Barrel Length | 3.90" |
| Finish | Black Nitron |
| Compatibility | Sig Sauer P320 Compact, Sig Sauer P250 Compact |
Yes, this barrel is designed as a factory replacement for Sig Sauer P320 Compact and P250 Compact models. It's an OEM part with guaranteed fitment on compatible compact-frame pistols.
This is a genuine Sig Sauer factory part, so you know exactly what you're getting in terms of quality control and fit. No gunsmithing is required—it drops in as a direct replacement.
This barrel is chambered in .40 S&W. Barrel swap alone does not guarantee reliable function across different calibers on all frames; verify your specific pistol's compatibility with Sig or a gunsmith before attempting any conversion.
Yes. The black Nitron finish is Sig's standard corrosion-resistant coating, designed to withstand regular shooting, field use, and environmental exposure.

SKU: 115803031 • Width: 4.1in • Height: 1.8in • Depth: 9.5in • Weight: 0.35oz



Availability: In Stock
The Sig Sauer P320/P250 Compact .40 S&W 3.90" Black Nitron barrel is a factory replacement barrel designed for shooters who need a direct-fit upgrade or replacement for their compact Sig platform pistol. Whether you're a competitive shooter looking to refresh a worn barrel, a gunsmith stocking common parts, or a pistol owner who wants to swap calibers on a P320 or P250 Compact frame, this barrel delivers Sig's proven reliability in a compact profile. The 3.90" length is optimized for the Compact slide geometry, offering the handling characteristics these guns are known for while maintaining standard .40 S&W performance.
Built with Sig's Nitron finish, this barrel resists corrosion and wear in the field or at the range. The black coating sits well aesthetically and protects against the elements—critical if you're running your compact Sig hard or in variable conditions. As a factory OEM part, fitment is guaranteed across compatible P320 and P250 Compact models, so you're not gambling on a third-party fit or dealing with gunsmithing labor.
This barrel is ideal for shooters who want to maintain their platform with genuine Sig parts rather than hunting for aftermarket alternatives. Stock a spare if you shoot often, or keep one on hand for a future build. The .40 S&W chambering provides moderate recoil and solid power in a compact package—a practical choice for defensive and sport shooting alike.
| Product Name | Sig Sauer P320/P250 Compact .40 S&W 3.90" Black Nitron Barrel |
| Model | BBLMODC40 |
| Brand | Sig Sauer |
| Caliber | .40 S&W |
| Barrel Length | 3.90" |
| Finish | Black Nitron |
| Compatibility | Sig Sauer P320 Compact, Sig Sauer P250 Compact |
Yes, this barrel is designed as a factory replacement for Sig Sauer P320 Compact and P250 Compact models. It's an OEM part with guaranteed fitment on compatible compact-frame pistols.
This is a genuine Sig Sauer factory part, so you know exactly what you're getting in terms of quality control and fit. No gunsmithing is required—it drops in as a direct replacement.
This barrel is chambered in .40 S&W. Barrel swap alone does not guarantee reliable function across different calibers on all frames; verify your specific pistol's compatibility with Sig or a gunsmith before attempting any conversion.
Yes. The black Nitron finish is Sig's standard corrosion-resistant coating, designed to withstand regular shooting, field use, and environmental exposure.
SKU: 115803031 • Width: 4.1in • Height: 1.8in • Depth: 9.5in • Weight: 0.35oz
