An explosive of fragments formed by explosive comprising an ignition head, an explosive charge (4), a generating portion fragments (7) and a wall (7) in contact with the explosive comprising a set of concave dimples (11 ) extending inwardly of the munition, characterized in that each of these caps (11) has a geometry adapted to form with the explosive charge at its contacting a shaped charge type hollow charge or generator core load, and because fragments generating portion (7) is formed by a single wall, which is (7) which is in contact with the explosive.
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