Sig Sauer P320 Full Size ..40 S&W barrel. This barrel can be used as a replacement for an existing .357 Sig barrel or to convert your full size .357 SIG P320 to .40 S&W.
Note that it is not uncommon for barrels to need fitting. We recommend having a gunsmith perform this.
Internal Reference:
BBL-MOD-F-40
Barcode:
798681555857
| Brand: Sig Sauer |
| Model: P320 |
| Caliber: .40 S&W |
| Part Type: Barrels |
| Color: Black |
| Barrel Length: 4" - 5", 5" |
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Customer Feedback
Typical Sig quality
June 16, 2026
By Anonymous
Fit nd finish ar good