The S&W SP5 is a civilian-legal copy of the HK MP5 manufactured under license by Smith & Wesson. Used by law enforcement training academies and departments who want MP5-compatible training rifles at a lower cost than genuine HK imports. Type: Submachine Gun Action: Roller-Delayed Caliber: 9mm Capacity: 30 Year introduced: 2019, USA Weight: 5.6 oz Overall length: 26.8" Status: Active Intended use: Law Enforcement, Training