The below information is from the North Carolina General Assembly's website and is a statute on weapons of mass destruction.
§ 14‑288.8. Manufacture, assembly, possession, storage, transportation, sale, purchase, delivery, or acquisition of weapon of mass death and destruction; exceptions.
(a) Except as otherwise provided in this section, it is unlawful for any person to manufacture, assemble, possess, store, transport, sell, offer to sell, purchase, offer to purchase, deliver or give to another, or acquire any weapon of mass death and destruction.
(b) This section does not apply to:
(1) Persons exempted from the provisions of G.S. 14‑269 with respect to any activities lawfully engaged in while carrying out their duties.
(2) Importers, manufacturers, dealers, and collectors of firearms, ammunition, or destructive devices validly licensed under the laws of the United States or the State of North Carolina, while lawfully engaged in activities authorized under their licenses.
(3) Persons under contract with the United States, the State of North Carolina, or any agency of either government, with respect to any activities lawfully engaged in under their contracts.
(4) Inventors, designers, ordnance consultants and researchers, chemists, physicists, and other persons lawfully engaged in pursuits designed to enlarge knowledge or to facilitate the creation, development, or manufacture of weapons of mass death and destruction intended for use in a manner consistent with the laws of the United States and the State of North Carolina.
(c) The term "weapon of mass death and destruction" includes:
(1) Any explosive or incendiary:
a. Bomb; or
b. Grenade; or
c. Rocket having a propellant charge of more than four ounces; or
d. Missile having an explosive or incendiary charge of more than one‑quarter ounce; or
e. Mine; or
f. Device similar to any of the devices described above; or
(2) Any type of weapon (other than a shotgun or a shotgun shell of a type particularly suitable for sporting purposes) 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 one‑half inch in diameter; or
(3) Any firearm capable of fully automatic fire, any shotgun with a barrel or barrels of less than 18 inches in length or an overall length of less than 26 inches, any rifle with a barrel or barrels of less than 16 inches in length or an overall length of less than 26 inches, any muffler or silencer for any firearm, whether or not such firearm is included within this definition. For the purposes of this section, rifle is defined as a weapon designed or redesigned, made or remade, and intended to be fired from the shoulder; or
(4) Any combination of parts either designed or intended for use in converting any device into any weapon described above and from which a weapon of mass death and destruction may readily be assembled.
The term "weapon of mass death and destruction" does not include any device which is neither designed nor redesigned for use as a weapon; 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; surplus ordnance 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 any other device which the Secretary of the Treasury finds is not likely to be used as a weapon, is an antique, or is a rifle which the owner intends to use solely for sporting purposes, in accordance with Chapter 44 of Title 18 of the United States Code.
(d) Any person who violates any provision of this section is guilty of a Class F felony. (1969, c. 869, s. 1; 1975, c. 718, ss. 6, 7; 1977, c. 810; 1983, c. 413, ss. 1, 2; 1993, c. 539, s. 1228; 1994, Ex. Sess., c. 24, s. 14(c); 2001‑470, s. 3.)