A biopsy gun having a cannula and a stylet guided in the cannula , the biopsy gun further comprising: a housing , a cannula carriage for moving the cannula , a stylet carriage for moving the stylet , wherein the cannula carriage and the stylet carriage can be tensioned by a tensioning grip from an initial position into a tensioning position against respective springs, wherein the stylet carriage has a stylet snap-in hook that is engaged with a stylet carriage holding surface of the housing when the stylet carriage is in its tensioned state, wherein the cannula carriage has a cannula snap-in hook that is engaged with a cannula carriage holding surface of the housing when the cannula carriage is in its tensioned state, wherein the housing has a first key by the operation of which the engagement of the stylet snap-in hook with the stylet carriage holding surface by contact with the first key is released, and a second key by the operation of which the engagement of the cannula snap-in hook with the cannula carriage holding surface is released by contact with the second key , wherein the first key has a lug projecting under the second key , so that an operation of the second key leads to an operation of the first key , wherein the first and second keys are elastically connected to the housing via respective main connecting elements , characterized in that the first key is elastically attached to the housing via an additional connecting element , the additional connecting element being arranged at a location of the first key that is opposite to the location at which the first key , when operated, gets into contact with the stylet snap-in hook . a housing , a cannula carriage for moving the cannula , a stylet carriage for moving the stylet , wherein the cannula carriage and the stylet carriage can be tensioned by a tensioning grip from an initial position into a tensioning position against respective springs, wherein the stylet carriage has a stylet snap-in hook that is engaged with a stylet carriage holding surface of the housing when the stylet carriage is in its tensioned state, wherein the cannula carriage has a cannula snap-in hook that is engaged with a cannula carriage holding surface of the housing when the cannula carriage is in its tensioned state, wherein the housing has a first key by the operation of which the engagement of the stylet snap-in hook with the stylet carriage holding surface by contact with the first key is released, and a second key by the operation of which the engagement of the cannula snap-in hook with the cannula carriage holding surface is released by contact with the second key , wherein the first key has a lug projecting under the second key , so that an operation of the second key leads to an operation of the first key , wherein the first and second keys are elastically connected to the housing via respective main connecting elements , characterized in that the first key is elastically attached to the housing via an additional connecting element , the additional connecting element being arranged at a location of the first key that is opposite to the location at which the first key , when operated, gets into contact with the stylet snap-in hook . <EOS>