Vektor R4, South African Defense Force service rifle based on the Israeli Galil. Gas-operated rotating bolt with 18-inch barrel. Type: Rifle Action: Semi-Automatic Caliber: 5.56 NATO Capacity: 35 Year introduced: 1980, South Africa Weight: 9.5 oz Overall length: 40.2" Status: Discontinued Military use: Yes Intended use: Military, Collector