(1) Definition.

Firearms. "Firearms" means any revolver, pistol, rifle, shotgun or other weapon capable of propelling a projectile by means of an explosive material or charge.

(2) Prohibited Conduct. No person shall carry a firearm upon the public streets or upon any public property at any time unless that person is:

(a) licensed by the Commonwealth of Pennsylvania to carry a firearm or licensed to hunt;

(b) actively engaged in a defense of his life or property from imminent peril or threat; or

(c) a police officer or member of the State or Federal militia on active duty.

(3) Penalty. The penalty for violation of this section shall be a fine of not less than three hundred (300) dollars and imprisonment of not less than ninety days.