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 United States Army and Air Force issue M4 Carbine comes with the M68 Close Combat Optic and Back-up Iron Sight. The United States Marine Corps uses the ACOG Rifle Combat Optic and the United States Navy uses EOTech Holographic Weapon Sight. The AK-47 has a 41.5 cm (16.3 in) barrel and a 378mm (14.88 inches) sight radius. The AK-47 uses a notched rear tangent iron sight, it is adjustable and is calibrated in hundreds from 100 to 800 meters (100 to 1000 meters for AKM models). The front sight is a post adjustable for elevation in the field. Windage adjustment