Sig Sauer M18, Semi-automatic, Striker Fired, Polymer Frame Pistol, Carry Size, 9MM, 3.9 Barrel, PVD Finish, Coyote, Optics Ready, SIGLITE Night Sights, Manual Safety, 10 Rounds, 3 Magazines, Massachusetts Compliant M18-9-CSS-MS-MA The commercial M18 brings the same unprecedented accuracy, extreme reliability and unmatched durability the military demands, coming standard with SIGLITE night sights and a removable night sight rear plate.