Provided herein are an ambidextrous thumb safety and apparatuses for providing the same for a handgun. The ambidextrous thumb safety and apparatuses generally comprise right and left thumb safeties pivotally mounted in opposition to a handgun frame, means for pivotally interconnecting the mounted right and left thumb safeties on the handgun frame and means for initiating pivotal movement of the right and left side plates upon application of a force thereto. Particularly, a secondary pin with a threaded end extends from the sear contact surface on the right thumb safety and is connected to the left thumb safety via a screw at a counterbored hole through the left thumb safety.