Mont. Code Ann. § 20-7-132

The trustees of a district are encouraged to establish and maintain a firearms safety education course. The trustees may adopt a course of instruction developed by the department of fish, wildlife, and parks, a law enforcement agency, or a firearms association as its firearms safety education course. Instructors from the department of fish, wildlife, and parks, a law enforcement agency, or a firearms association or a person recognized by the trustees as having expertise in firearms safety education may be used to provide the instruction.