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120 mm HE bomb OF-843A/FE-843B
Region
Bulgaria
Category
Ammunition, Missiles and precision weapons
Armament All 120 mm smoothbore mortars. Development Based upon Soviet/RFAS 120 mm OF-843A bomb, with some slight changes in fin contours. Description The OF-843A is a streamlined conventional bomb for general bombardment purposes. The body is of ferro-steel, with six gas check grooves around the bourrelet and threaded at the nose for a fuze and at the rear for the tail unit. The tail unit is of welded steel, with eight fins, and the primary cartridge is inserted into the rear. Up to six secondary increments may be
clipped around the boom. The Bulgarian export firm of KAS Engineering began showing this round with a new designation, FE-843B, in 1998. Other than the new designation, it is identical to the earlier OF-843 . The M12 fuze is apparently a copy of the RFAS fuze of the same designation.