(a) No person, including a parent, custodian, or other adult shall fail to secure a firearm in such a manner as to keep persons under the age of eighteen years from obtaining possession of, or using, the firearm in an unlawful manner.
(b) (1) “Firearm” is defined as any deadly weapon capable of expelling or propelling one or more projectiles by the action of an explosive or combustible propellant. “Firearm” includes an unloaded firearm, and any firearm that is inoperable but that can readily be rendered operable.
(2) When determining whether a firearm is capable of expelling or propelling one or more projectiles by the action of an explosive or combustible propellant, the trier of fact may rely upon circumstantial evidence including, but limited to, the representations and actions of the individual exercising control over the firearms.
(c) It shall not be a violation of this section if a person under the age of eighteen years in possession of a firearm for the expressed purpose of hunting in accordance with state law and with the knowledge and supervision of a parent.
(d) Whoever violates this section is guilty of a misdemeanor of the first degree.