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.
Mont. Code Ann. § 45-8-344
Use of firearms by children under 14 years of age prohibited -- exceptions
Known as the Criminal Code
The act spans §§ 45–45 (382 sections).
En
Official source: Montana Code Annotated (Montana Legislature). Reproduced from public-domain Montana statutes; confirm against the official source for the current text. Not legal advice.