As used in Sections 8.402 and 8.403 “firearm” means any device designed, made or adapted to expel a projectile through a barrel by using the energy generated by an explosion or burning substance or any device readily convertible to that use, including but not limited to a rifle, pistol, shotgun, air rifle, pellet gun, BB gun and air gun.
(1979 Code of Ordinances, Chapter 14, Sec. 14-1)
It shall be unlawful for any person to discharge or fire off any firearm within the city except as follows:
(1) 
Firing or discharging of a firearm in a shooting gallery that is operating in accordance with all applicable state and federal laws and city ordinances.
(2) 
Firing or discharging of an air gun on property owned by the party firing the air gun and his immediate family, provided that the discharge is no closer than one hundred fifty (150) feet from any structure, except that of the owner, used for human habitation. Nothing contained in this exception shall permit the discharging of an air gun whereby the projectile falls on the land of another.
(3) 
Firing or discharging of a shotgun during legally authorized hunting season with a license or permit duly issued pursuant to the laws of the state and federal law, provided the hunter has permission from the property owner on which any projectile would fall on or over their property, and provided further that the size of shot that can be used is restricted to size number six (6) and smaller.
(4) 
Firing or discharging of firearms in defense of self, family or property.
(5) 
Firing or discharging of a firearm by a duly authorized peace officer in carrying out his lawful duties.
(6) 
Firing or discharging of firearms when permitted or authorized by the laws of the state or United States.
(1979 Code of Ordinances, Chapter 14, Sec. 14-2)
It shall be unlawful for any person to discharge any firearm of any kind on or across any public square, street or alley in the city or within fifty (50) yards of any business house.
(1979 Code of Ordinances, Chapter 14, Sec. 14-3)
It shall be unlawful for any person to fire or discharge any package or container containing powder or other explosive or combustible material, except in accordance with other ordinances of the city, and with the permission of the governing body.
(1979 Code of Ordinances, Chapter 14, Sec. 14-4)