This P365X features the signature XSeries flat trigger, all come standard with a ROMEOZero 3 MOA optic installed and ready to go right out of the box. The P365X ROMEOZero maintains the crisp, clean P365 trigger pull that compliments the inherent accuracy improvement of a red dot-equipped pistol. Never has so much versatility and capability been squeezed into such a perfectly concealable EDC size.- CALIBER 9MM- MAGAZINE (2) 12rd capacity- SLIDE ROMEOZero Mounted- TRIGGER XSERIES Flat - GRIPS Polymer OD Green