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-74 variant of the AK-74—the AK-74M (M—Russian: "Модернизированный"; "Modernizirovanniy" or "modernized") assault rifle that offers more versatility compared with its predecessor. Apart from several minor improvements, such as a lightened bolt and carrier assembly to reduce the impulse of the gas piston and bolt carrier during firing, the rifle features a new glass-filled polyamide stock that retains the shape of the original AK-74 fixed laminated wood stock, but side-folds to the left like the skeletonized AKS-74 buttstock. Additionally the AK-74M features an improved muzzle device, a reinforced smooth dust cover and a redesigned guide rod return spring retainer that allows firing