Protection of citizens against infringement against right to keep and bear arms.
Mo. Rev. Stat. § 1.440
in effect1.440. Protection of citizens against infringement against right to keep and bear arms. — It shall be the duty of the courts and law enforcement agencies of this state to protect the rights of law-abiding citizens to keep and bear arms within the borders of this state and to protect these rights from the infringements defined under section 1.420 .
(L. 2021 H.B. 85 & 310) Effective 6-12-21 (2023) The Second Amendment Preservation Act is unconstitutional in its entirety as a violation of the Supremacy Clause, Article VI of the United States Constitution. United States v. Missouri, 660 F.Supp.3d 791 (W.D. Mo.).
Source: Open US Law by Vaquill AI (CC BY 4.0)URL: https://revisor.mo.gov/main/OneSection.aspx?section=1.440Fetched: 10/17/2026
