120 mm HE bomb OF-A

Armament All 120 mm smoothbore mortars. Development By Czech Army ordnance, for use in Soviet-pattern 120 mm mortars in Czech service and for export. Description Although generally adhering to a Soviet pattern, this bomb has signs of Czech variation to the design. It is of a conventional teardrop shape in cast iron, with three deep gas check rings at the bourrelet and has a steel tailboom and 12 fins. A primary cartridge fits into the tail and six secondary increments, in cloth bags, are tied around the tailboom.