
Availability: In Stock
Current Stock: Out of stock
The Sig Sauer 357 Sig P320 Compact Caliber X-Change Kit gives you the flexibility to run your P320 Compact in a different caliber without buying a second gun. This kit is built around Sig's modular X-Change platform, letting you swap calibers and keep the same frame and fire control group. If you're a shooter who wants to train in 357 Sig or needs a dedicated round for a specific range or hunting application, this kit lets you do it efficiently.
The 10-round magazine capacity strikes a balance between practical carry and firepower for compact shooters. Whether you're at the range working on precision drills, training for defensive scenarios, or building out a versatile duty gun, having a dedicated 357 Sig upper and magazine pairing keeps everything reliable and properly matched. Sig P320 owners appreciate the X-Change system because it eliminates guesswork—you know your round count, your setup is manufacturer-tested, and you're running components designed to work together.
This is raw modular capability for shooters who take their gear seriously and want options without compromise.
| Caliber | 357 Sig |
| Magazine Capacity | 10 rounds |
| Firearm Compatibility | Sig Sauer P320 Compact |
| Brand | Sig Sauer |
No, this kit is specifically designed for the P320 Compact. The X-Change system is caliber and size-specific, so verify your slide and frame match before ordering.
Based on the product name and Sig's X-Change system, this kit includes the caliber-specific components needed to convert your P320 Compact to 357 Sig, along with the 10-round magazine. For a complete parts list, contact us directly.
This kit comes with a 10-round magazine sized and engineered for 357 Sig in the P320 Compact. For questions about cross-compatibility with other magazines, we recommend confirming with Sig or our team before mixing components.

SKU: 167527484 • Weight: 2.38oz




Availability: In Stock
Current Stock: Out of stock
The Sig Sauer 357 Sig P320 Compact Caliber X-Change Kit gives you the flexibility to run your P320 Compact in a different caliber without buying a second gun. This kit is built around Sig's modular X-Change platform, letting you swap calibers and keep the same frame and fire control group. If you're a shooter who wants to train in 357 Sig or needs a dedicated round for a specific range or hunting application, this kit lets you do it efficiently.
The 10-round magazine capacity strikes a balance between practical carry and firepower for compact shooters. Whether you're at the range working on precision drills, training for defensive scenarios, or building out a versatile duty gun, having a dedicated 357 Sig upper and magazine pairing keeps everything reliable and properly matched. Sig P320 owners appreciate the X-Change system because it eliminates guesswork—you know your round count, your setup is manufacturer-tested, and you're running components designed to work together.
This is raw modular capability for shooters who take their gear seriously and want options without compromise.
| Caliber | 357 Sig |
| Magazine Capacity | 10 rounds |
| Firearm Compatibility | Sig Sauer P320 Compact |
| Brand | Sig Sauer |
No, this kit is specifically designed for the P320 Compact. The X-Change system is caliber and size-specific, so verify your slide and frame match before ordering.
Based on the product name and Sig's X-Change system, this kit includes the caliber-specific components needed to convert your P320 Compact to 357 Sig, along with the 10-round magazine. For a complete parts list, contact us directly.
This kit comes with a 10-round magazine sized and engineered for 357 Sig in the P320 Compact. For questions about cross-compatibility with other magazines, we recommend confirming with Sig or our team before mixing components.
SKU: 167527484 • Weight: 2.38oz
