This factory replacement, P365X stainless steel slide assembly fits P365X grip modules. It accommodates our P365X 3.1″ barrel. This slide comes with Sig’s XRAY3 day/night sights and a removable sight plate cover ready to accept a micro-optic such as the ROMEOZero red dot sight. Barrel Compatibility: 9MM Finish: Black Nitron *Does not include recoil spring, guide rod, or barrel. **Please Note** This slide is NOT compatible with the ported barrel.