Missouri Revised Statutes Title XXXVIII. Crimes and Punishment; Peace Officers and Public Defenders § 571.155. Regulation by municipalities permitted--no prohibition at shooting ranges

1. A municipality may regulate, by order or ordinance, the shooting of pneumatic guns within its boundaries when the municipality is, in the opinion of the governing body, so heavily populated that such conduct is dangerous to the inhabitants thereof. The municipality may require supervision by a parent, guardian, or other adult supervisor who is approved by a parent or guardian of any minor below the age of twelve in all uses of pneumatic guns on public property. The ordinance may specify that minors twelve years of age or older may, with the consent of a parent or guardian, use a pneumatic gun at any place designated for such use by the local governing body or on private property with the consent of the owner. The ordinance may specify that any minor shall be responsible for obeying all laws, regulations, and restrictions governing such use, regardless of whether a parent or guardian has permitted such use.

2. No such ordinance shall prohibit the use  1 pneumatic guns at facilities approved for shooting ranges.