Sig Sauer P365 X-Macro 9mm Luger 3.1in Nitron Pistol - Introducing the game-changing P365 X-Macro compact everyday carry size with unprecedented 17+1 round capacity. The P365 X-Macro is chambered in 9mm Luger. The Nitron Stainless Steel slide features XRay3 Day/Night Sights and Integrally Compensated Optic Ready Slide. All-New Macro-Compact Grip Module Featuring Standard 1913 Rail Integrally Compensated Optic Ready Slide (2) 17rd Steel Magazines with High Visibility Followers Interchangeable Small, Medium, and Large Backstrap Included 3.1in Barrel XRay3 Day/Night Sights The X-Macro is one of the top selling Sig Sauer P365 models.