Type 58 assault rifle (NVA) of North Vietnam forces between 1964 and 1975. It was used by the Islamic Revolutionary Guard Corps (IRGC) and the militia Basij of Iran against the Army and the Republican Guard of Iraq in the Iran–Iraq War (1980–88). In Nicaragua the Sandinista Popular Army used Type 58 weapons against the Contras in the Sandinista Revolution (1980–90). Type 58 assault rifle The Type 58 is an assault rifle made in North Korea derived from the Soviet AK-47 designed by Mikhail Kalashnikov. It uses a 7.62×39mm cartridge. It is the longest version of the rifle at 890 mm, while the AK-47
AK-107 AK-107 The AK-107 is a Russian 5.45×39mm assault rifle developed from the AK-100-series. It features a "balanced" operating system, similar to that used in the AEK-971. In this case, the designation AK does not indicate "Avtomat Kalashnikova" but "Alexandrov/Kalashnikov". The revised designation indicates the incorporation of a new gas system, designed by Youriy Alexandrov, for Kalashnikov-pattern rifles. These new rifles were derived from the AL-7 experimental rifle of the early 1970s. The AL-7 utilized an innovative balanced gas operating system known as the Balanced Automatics Recoil System (BARS) developed by Peter Andreevich Tkachev of TsNIITochMash that was first used earlier