As used in this act:
(h)(1) "Weapon" means: (A) Any weapon which will or is designed to or may readily be converted to expel a projectile by the action of an explosive; (B) the frame or receiver of any weapon described in the preceding example; (C) any firearm muffler or firearm silencer; (D) any explosive, incendiary, or poison gas: (i) Bomb; (ii) grenade; (iii) rocket having a propellant charge of more than four ounces; (iv) missile having an explosive or incendiary charge of more than _ ounce; (v) mine; or (vi) similar device; (E) any weapon which will, or which may be readily converted to, expel a projectile by the action of an explosive or other propellant, and which has any barrel with a bore of more than _ inch in diameter; (F) any combination of parts either designed or intended for use in converting any device into any destructive device described in the two immediately preceding examples, and from which a destructive device may be readily assembled; (G) any bludgeon, sandclub, metal knuckles or throwing star; (H) any knife, commonly referred to as a switch-blade, which has a blade that opens automatically by hand pressure applied to a button, spring or other device in the handle of the knife, or any knife having a blade that opens or falls or is ejected into position by the force of gravity or by an outward, downward or centrifugal thrust or movement; or (I) any electronic device designed to discharge immobilizing levels of electricity, commonly known as a stun gun.
(2) The term "weapon" does not include within its meaning: (A) An antique firearm; (B) an air gun; (C) any device which is neither designed nor redesigned for use as a weapon; (D) any device, although originally designed for use as a weapon, which is redesigned for use as a signaling, pyrotechnic, line throwing, safety, or similar device; (E) surplus ordinance sold, loaned or given by the secretary of the army pursuant to the provisions of section 4684(2), 4685, or 4686 of title 10 of the United States Code; or (F) class C common fireworks.