Montana Title 45. Crimes § 45-8-344. Use of firearms by children under 14 years of age prohibited--exceptions

It is unlawful for a parent, guardian, or other person having charge or custody of a minor child under the age of 14 years to permit the minor child to carry or use in public any firearms, except when the child is accompanied by a person having charge or custody of the child or under the supervision of a qualified firearms safety instructor or an adult who has been authorized by the parent or guardian.