The Vektor HS (CR21) is a south africa-made select-fire bullpup rifle chambered in 5.56x45mm NATO, introduced in 1997. Primary use: military. Type: Rifle Action: Select-Fire Caliber: 5.56x45mm NATO Capacity: 30 Year introduced: 1997, South Africa Weight: 96 oz Overall length: 28" Status: Active Intended use: military