invention is shown in fig6 when an rfid reader device 10 detects the presence of a rfid tag 20 it is configured to transmit to a central processer 110 a signal 120 containing information that the firearm related rfid tag 20 has been detected the central processor 110 can be part of the rfid reader device 10 or can be part of an external computing device not shown including for example a computer or mobile device located inside of the building that allows an individual to oversee and manage the rfid reader device 10 warning alarms 40 and automatic door locking system 50 the central processor 110 may comprise a transceiver not shown configured to receive and transmit signals and a memory stored with instructions or a software application that is configured in combination with a processor to execute a series of actions when a signal 120 is received upon receiving the signal 120 the central processor 110 is configured to transmit a signal 121 a to the warning alarm 40 instructing the warning alarm 40 to activate the central processor 110 also simultaneously transmits a signal 121 b to the automatic door locking system 50 instructing the automatic door locking system 50 to lock the entrance doors to.