A tactical mirror system includes a convex mirror that may be rapidly deployed and adhesively affixed to a room entry door to provide a room entry team member with a view of the room interior from a concealed cover position outside the room adjacent to the doorway is disclosed. A rip-cord is affixed to allow the user to peel away a protective layer thereby exposing an adhesive coated surface thereby allowing for rapid affixation of the mirror. A pair of diametrically opposed notches and a resilient transversely disposed band that function to allow the mirror device to be removably mounted to a baton to allow a room entry team member to manually extend and position the mirror. A plurality of mirrors may be provided and configured for compact nested storage thereby providing the user with a plurality of deployable mirror devices.