Mich. Comp. Laws § 32.738

Sec. 338. (1) An individual who is licensed to carry a concealed pistol, or who is exempt from licensure, under 1927 PA 372, MCL 28.421 to 28.435, may possess a concealed weapon either on his or her person or properly secured while on the premises of an armory or any other building or property under the authority and control of the adjutant general. (2) An individual described in subsection (1) shall comply with the requirements of 1927 PA 372, MCL 28.421 to 28.435, and any other state law pertaining to concealed weapons and firearms. (3) The adjutant general shall not promulgate rules unduly burdening on the ability of military personnel to possess a concealed weapon as described in subsection (1).