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
Comparison of the AK-47 and M16 Approximately 100 million AK-47 type rifles have been made worldwide. "The AR-15/M16-series rifles are considered the finest human-engineered assault rifles in the world." The M16 is ergonomically superior to the AK-47 in most respects. It is much easier and faster to change magazines and get the M16 back into action than with the AK-47. This is due to several factors, such as perfectly located magazine release and bolt release buttons, a flared magazine well for fast magazine insertions, and the ability to simply insert the magazine into the M16 in a conventional manner, rather than the "rock and lock" method