The EMP4 extends Springfield's purpose-built 9mm compact platform to a 4-inch barrel, adding the Contour grip treatment and a 10-round magazine. Combines the improved reliability of the EMP architecture with the longer sight radius and barrel of a commander-length pistol. Type: Semi-Auto Pistol Action: Single-Action Caliber: 9mm Capacity: 10 Year introduced: 2018, USA Weight: 27 oz Overall length: 7.5" Status: Active Intended use: Carry, Duty