KRISS Vector SP (Special Purpose) pistol in 10mm — the original pistol designation for the Vector before the SDP designation replaced it. Features the 5.5-inch barrel and Super V system without stock. Type: Pistol Action: Semi-Auto Caliber: 10mm Auto Capacity: 13 Year introduced: 2013, United States Weight: 5.6 oz Overall length: 18.5" Status: Discontinued Intended use: Home Defense