Smith & Wesson SD9 2.0, Striker Fired, Semi-Automatic, Polymer Frame Pistol, Full Size, 9MM, 4 Barrel, Satin Finish, Silver Slide, Black Frame, White Dot Sights, Flat Face Trigger, 16 Rounds, 1 Magazine 13931 The SD has been a staple offering from Smith & Wesson for decades, and with so much fanfare around the handgun, they are excited to introduce the SD 2.0. Built from consumer feedback on what was missing, but keeping true to what made the SD so popular, this package is perfect for those who are looking for an affordable option from the most trusted brand in firearms.