A.    The term "firearm" means any weapon which is capable of or designed to or which may readily be converted to expel a projectile with deadly force by means of an explosion.

    B.    The term "weapon" means, but shall not be limited to mean, any firearm, any archery equipment, any device used to discharge a projectile either by means of explosion, by force or mechanical means, any sling shot or slings or any device that can hurl a projectile or can be hurled or thrown.

    C.    No person shall fire or discharge, or cause to be fired or discharged, within the limits of the city any firearm.

    D.    No person shall hurl or discharge any rock or other missile from any sling or other hand weapon within the city.

    E.    This section shall not apply to police officers or soldiers in the discharge of their official duties while in the exercise of reasonable care; nor to a person using firearms in necessary self-defense; nor to shooting clubs conducted at a fixed place of business within the city and in such manner that there is no danger to any person whatsoever, provided such shooting club has first obtained permission from the chief of police to conduct the same. (Prior code § 18-14)