Based on the US Military M18 model, the Sig Sauer® P320®-M18 Semi-Auto Pistol delivers the unmatched reliability, accuracy, and dependability you’ve come to expect from the P320 series. This compact-sized civilian version features an optics-ready, stainless steel, Coyote PVD-finished slide with a removable night sight plate for easy installation and quick removal of optics. The carry-length, polymer grip module features aggressive texturing for an enhanced, non-slip grip and improved control. The Siglite front sight and night sight rear sights deliver intuitive target acquisition in any lighting conditions, while the ambidextrous manual safety ensures safe handling and effortless engagement/disengagement with either thumb. The Sig Sauer P320®-M18 Semi-Auto Pistol comes with one 17-round and one 21-round magazines.