The x carry uses a compact 3.9 inch barrel. So, it should.
Yes, all of our parts are covered by our warranty policy: https://faxonfirearms.com/warranty-privacy-terms/
The Faxon Firearms Sig Sauer P320 Compact Flame Fluted 9mm Barrel is Not compatible with X-Carry or X-Compact models or slides with a Tactile Loaded Chamber Indicator (Including the M18 variant slides)
No, these barrels are designed to fit the SIG P320 compact pistols and are not compatible with other manufacturers or models.
The non-threaded P320 compact barrels are 3.9" in overall length.
Yes this will fit your P320 Compact.
Yes, this barrel should be compatible with a GGP compact/carry size slide.
The P320 barrels will only work with the standard P320 platform, it will not work with the X-series line of handguns.
The Faxon Firearms P320 Compact, Non-Threaded barrels are 3.9" long. They are designed for the standard P320 Compact and Carry versions.
This will not fit the M18 P320 handgun.