# Mo. Rev. Stat. § 571.020: 571.020 Possession--manufacture--transport--repair--sale of certain weapons a ..

> Missouri · Statutes · In force

URL: https://www.frixlaw.com/law-library/statutes/STATE_MO_C571_S571.020

## Section

- **Citation:** Mo. Rev. Stat. § 571.020
- **Heading:** 571.020 Possession--manufacture--transport--repair--sale of certain weapons a ..
- **Jurisdiction:** Missouri
- **Kind:** Statutes
- **Status:** In force
- **Text as of:** August 14, 2026
- **Source:** Compiled text
- **Location:** MO Code / Chapter 571 / Section 571.020

## Text

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.

(L. 1981 H.B. 296, A.L. 2002 S.B. 712, A.L. 2008 H.B. 2034, A.L. 2011 H.B. 294, et al., A.L. 2012 H.B. 1647 merged with S.B. 489 & 637, A.L. 2016 H.B. 2332) Effective 1-01-17 CROSS REFERENCE: Illegal fireworks, possession, sale, manufacture or transportation of, penalty, 320.136

## Nearby sections

- [Mo. Rev. Stat. § 571.010 571.010 Definitions.](https://www.frixlaw.com/law-library/statutes/STATE_MO_C571_S571.010.md)
- [Mo. Rev. Stat. § 571.012 571.012 Health care professionals not required to disclose patient firearm ...](https://www.frixlaw.com/law-library/statutes/STATE_MO_C571_S571.012.md)
- [Mo. Rev. Stat. § 571.013 571.013 Ownership of firearms records, closed records — violation, penalty.](https://www.frixlaw.com/law-library/statutes/STATE_MO_C571_S571.013.md)
- [Mo. Rev. Stat. § 571.014 571.014 Unlawful refusal to transfer by denying sale of a firearm to a nonlicensee, ...](https://www.frixlaw.com/law-library/statutes/STATE_MO_C571_S571.014.md)
- [Mo. Rev. Stat. § 571.015 571.015 Armed criminal action, offense of — penalty.](https://www.frixlaw.com/law-library/statutes/STATE_MO_C571_S571.015.md)
- [Mo. Rev. Stat. § 571.017 571.017 Imposition of sentences for both armed criminal action and crime committed ...](https://www.frixlaw.com/law-library/statutes/STATE_MO_C571_S571.017.md)
- [Mo. Rev. Stat. § 571.020 571.020 Possession--manufacture--transport--repair--sale of certain weapons a ...](https://www.frixlaw.com/law-library/statutes/STATE_MO_C571_S571.020.md)
- [Mo. Rev. Stat. § 571.030 571.030 Unlawful use of weapons, offense of — exceptions — violation, penalties.](https://www.frixlaw.com/law-library/statutes/STATE_MO_C571_S571.030.md)
- [Mo. Rev. Stat. § 571.031 571.031 Blair's Law — unlawful discharge of a firearm, offense of — penalties.](https://www.frixlaw.com/law-library/statutes/STATE_MO_C571_S571.031.md)
- [Mo. Rev. Stat. § 571.037 571.037 Open display of firearm permitted, when.](https://www.frixlaw.com/law-library/statutes/STATE_MO_C571_S571.037.md)
- [Mo. Rev. Stat. § 571.045 571.045 Defacing firearm, penalty.](https://www.frixlaw.com/law-library/statutes/STATE_MO_C571_S571.045.md)
- [Mo. Rev. Stat. § 571.050 571.050 Possession of defaced firearm, penalty.](https://www.frixlaw.com/law-library/statutes/STATE_MO_C571_S571.050.md)
- [Mo. Rev. Stat. § 571.060 571.060 Unlawful transfer of weapons, penalty.](https://www.frixlaw.com/law-library/statutes/STATE_MO_C571_S571.060.md)
- [Mo. Rev. Stat. § 571.063 571.063 Fraudulent purchase of a firearm, crime of — definitions — penalty — exceptions.](https://www.frixlaw.com/law-library/statutes/STATE_MO_C571_S571.063.md)

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Source: Frix Law Library, https://www.frixlaw.com/law-library/statutes/STATE_MO_C571_S571.020. Check the current official text before relying on it. Not legal advice.