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130 mm FRAG-HE OF-482M
Region
Egypt
China
Iran
Pakistan
Iraq
Israel
Bulgaria
Czech Republic
Romania
Slovakia
Ukraine
Finland
Croatia
Category
Ammunition, Missiles and precision weapons
The 130 mm FRAG-HE OF-482M is a separate loading munition, allowing the variable charges contained in a brass cartridge case to be varied to suit a particular fire mission. The projectile is forged steel and uses a conventional long-nosed streamlined outline with a nose fuze. There are two cupro-nickel drive bands, each 20.07 mm wide and spaced 9.14 mm apart, encircling the body close to the flat base, which has a very slight boat tailed profile. The body walls vary from approximately 29.5 mm to just under 28 mm
in thickness and contain a TNT payload weighing 3.6 kg; the TNT has a flash additive for spotting purposes. The point detonating nose fuze is usually an RGM-2 but the PD RGM-6 or V-429 may be encountered. Czech and Slovak 130 mm rounds utilise the PD KZ 88 with a muzzle safety distance of 100 m. The 70:30 drawn brass cartridge case is issued in two versions, both with a KV-U or KV-5U percussion primer threaded into the base. The first one is a Full Charge version while the other has a Reduced propellant load. The Full Charge contains 13.5 kg of NDT-3 23/1 propellant loaded in a lower and upper bag, together with 2.5 kg of loose propellant in bundled stick form. An increment completes the Full Charge while removal of this increment creates Charge 1. The Reduced charge uses mainly 9/7 and 12/1 Tr propellant, weighs 6.75 kg complete and is supplied in a separate cartridge case. The top charge in the Reduced category is formed using the full complement of a base charge and two equal sized bags, forming Charge 2. Removal of one of the equal bags creates Charge 3 while removal of both equal bags, leaving only the base charge, creates Charge 4. A KV-U percussion primer is pressed into the cartridge case base to ignite both Full and Reduced propellant loads. On Reduced Charge cartridge cases the propellant is held against the base of the projectile (the top of the case) by a wide flash tube. The Full Charge produces a muzzle velocity of 930 m/s and provides a maximum range of 27,490 m. The Reduced charge, Charge 2, produces a muzzle velocity of 705 m/s and a range of 19,130 m.