Private Security Pers training on R5 Assualt Rifle. The R5 assault rifle is, along with the R4, one of the primary ... Private Security Pers training on R5 Assualt Rifle. The R5 assault rifle is, along with the R4, one of the primary assault rifles in use by the military of South Africa. It is based on the Israeli Galil rifle, which in turn was based on the Finnish Valmet Rk 62, a copy of the Russian AK-47 assault rifle. The R5 operates in semi-automatic, safety and fully automatic firing modes and fires 5.56x45 mm rounds. It is manufactured by Vektor, a division of Denel Ltd. (more) (less) video lang: en Translate View original (Translation disabled)