Featuring a 3.1 inch barrel, the XSeries grip module with a 12 round flush fit magazine brings a new level of performance to your EDC. The P365 redefined what a concealed-carry pistol should be. Featuring a 3.1 inch barrel, the XSeries grip module with a 12 round flush fit magazine. These features, along with the signature XSeries flat trigger, all come standard. The P365X maintains the crisp, clean P365 trigger pull. Never has so much versatility and capability been squeezed into such a perfectly concealable size. XSERIES 365 Grip Module Nitron Slide With XRAY3 Day/Night Front Sight XSERIES Flat Trigger Compatible with SIG SAUER ROMEOZero (2) 12 Mfg: Sig Sauer, Inc.