Förfarande och anordning vid ett slutstyckesförsett

摘要

The invention relates to an arrangement and to a method for rendering useless a weapon (100) that includes a breechblock, in the event of an unauthorized appropriation of the weapon. The arrangement (1) includes an expander (10) which has a cavity (13) or a recess and which is intended for insertion into the box (101) accommodating the breechblock of the weapon. An explosive substance (43) is disposed in the expander cavity (13) or recess. The explosive substance (43) is fired in response to an alarm being triggered, therewith deforming the breechblock accommodating space (101).