One way would be for the target to mechanically 'collapse' when it is hit (fold back, pop-down, whatever). This movement could then be picked up by a microswitch which would initiate the 'reset' of the target through whatever logic is required.
One way would be for the target to mechanically 'collapse' when it is hit (fold back, pop-down, whatever). This movement could then be picked up by a microswitch which would initiate the 'reset' of the target through whatever logic is required.