SIG P320 Caliber X-Change Kit
This guide details the installation of a SIG P320 Caliber X-Change Kit, transforming a P320 into a different size or caliber configuration. The process involves transferring the fire control unit (FCU) from the original frame to the new grip module included in the X-Change Kit. The video, presented by Justin Opinion, highlights the modularity of the P320 platform and demonstrates the straightforward nature of this upgrade.











