"Firearm" means:
- (A) Any weapon (including a starter gun) 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 such weapon;
- (C) Any firearm muffler or firearm silencer; or
- (D) Any destructive device.
The term, "Firearm," does not include an antique firearm.
"Antique firearm" means:
- (A) Any firearm (including any firearm with a matchlock, flintlock, percussion cap, or similar type of ignition system) manufactured in or before 1898; and
- (B) Any replica of any firearm described in subparagraph (A) if such replica
- (i) Is not designed or redesigned for using rimfire or conventional centerfire fixed ammunition; or
- (ii) Uses rimfire or conventional fixed ammunition which is no longer manufactured in the United States, and which is not readily available in the ordinary channels of commercial trade; or
- (C) Any muzzle loading rifle, muzzle loading shotgun, or muzzle loading pistol, which is designed to use black powder, or a black powder substitute, and which cannot use fixed ammunition. For purposes of this subparagraph, the term "antique firearm" shall not include any weapon which incorporates a firearm frame or receiver, any firearm which is converted into a muzzle loading weapon, or any muzzle loading weapon which can be readily converted to fire fixed ammunition by replacing the barrel, bolt, breechblock, or any combination thereof.
"Ammunition" means:
Any ammunition or cartridge cases, primers, bullets, or propellent powder designed for use in any firearm.