Mo. Rev. Stat. § 571.020

Current with changes from the 2023 Legislative Session
Section 571.020 - Possession-manufacture-transport-repair-sale of certain weapons a crime-exceptions-penalties
1. A person commits an offense if such person knowingly possesses, manufactures, transports, repairs, or sells:
(1) An explosive weapon;
(2) An explosive, incendiary or poison substance or material with the purpose to possess, manufacture or sell an explosive weapon;
(3) A gas gun;
(4) A bullet or projectile which explodes or detonates upon impact because of an independent explosive charge after having been shot from a firearm; or
(5) Knuckles; or
(6) Any of the following in violation of federal law:
(a) A machine gun;
(b) A short-barreled rifle or shotgun;
(c) A firearm silencer; or
(d) A switchblade knife.
2. A person does not commit an offense pursuant to this section if his or her conduct involved any of the items in subdivisions (1) to (5) of subsection 1, the item was possessed in conformity with any applicable federal law, and the conduct:
(1) Was incident to the performance of official duty by the Armed Forces, National Guard, a governmental law enforcement agency, or a penal institution; or
(2) Was incident to engaging in a lawful commercial or business transaction with an organization enumerated in subdivision (1) of this section; or
(3) Was incident to using an explosive weapon in a manner reasonably related to a lawful industrial or commercial enterprise; or
(4) Was incident to displaying the weapon in a public museum or exhibition; or
(5) Was incident to using the weapon in a manner reasonably related to a lawful dramatic performance.
3. An offense pursuant to subdivision (1), (2), (3) or (6) of subsection 1 of this section is a class D felony; a crime pursuant to subdivision (4) or (5) of subsection 1 of this section is a class A misdemeanor.

§ 571.020, RSMo

Amended by 2016 Mo. Laws, HB 2332,s A, eff. 1/1/2017.
L. 1981 H.B. 296, A.L. 2002 S.B. 712, A.L. 2008H.B. 2034 , A.L. 2011H.B. 294, et al., A.L. 2012H.B. 1647 merged with S.B. 489 & 637
Effective 7-10-12 (S.B. 489 & 637)
8-28-12 (H.B. 1647)