The S&W Shield M2.0 in 9mm is an improved single-stack subcompact with enhanced grip texture, a revised trigger, and a stainless steel chassis. One of the best-selling CCW pistols in history. Type: Semi-Auto Pistol Action: Striker-Fired Caliber: 9mm Capacity: 8 Year introduced: 2017, USA Weight: 18.3 oz Overall length: 6.1" Status: Active Intended use: Concealed Carry