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SB 952
Missouri Senate•In Senate Committee
Summary
SB 952, which modifies provisions relating to additional protections to bear arms, was introduced in the Senate on Dec 1, 2025 by Sen. Mike Moon (R). It last saw action on Feb 23, 2026: Voted Do Pass S Transportation, Infrastructure and Public Safety Committee.
Record
Text
SB 952 has no co-sponsors and has not gone to a roll call.
sb952/introduced.txtSECOND REGULAR SESSIONSENATE BILL NO. 952103RD GENERAL ASSEMBLYINTRODUCED BY SENATOR MOON.5746S.01I KRISTINA MARTIN, SecretaryAN ACTTo repeal sections 1.410, 1.420, 1.430, 1.440, 1.450, 1.460, 1.470, 1.480, and 1.485, RSMo, andto enact in lieu thereof seven new sections relating to the sole, exclusive, and specificpurpose of amending the truly agreed to and finally passed senate substitute for senatecommittee substitute for house committee substitute for house bills 85 & 310 as passedby the one hundred first general assembly, first regular session by completely repealingsections 1.410.2(4), 1.410.2(6), 1.410.2(7), 1.410.2(9), 1.430, 1.440, RSMo, repealingeverything after the first sentence in 1.410.2(5), RSMo, and replacing the first sentenceup to the colon in 1.420, RSMo, with, “The State of Missouri and any of its politicalsubdivisions, as well as the public officials, employees, or agents of the State and anyof its political subdivisions, shall have no authority to assist in the enforcement of thefollowing types of federal acts, laws, executive orders, administrative orders, rules, andregulations within the borders of this state including, but not limited to:”, repealing thefirst sentence of 1.450, and making appropriate date and section reference changes.Be it enacted by the General Assembly of the State of Missouri, as follows:1Section A. Sections 1.410, 1.420, 1.430, 1.440, 1.450,2 1.460, 1.470, 1.480, and 1.485, RSMo, are repealed and seven3 new sections enacted in lieu thereof, to be known as sections4 1.410, 1.420, 1.450, 1.460, 1.470, 1.480, and 1.485, to read as5 follows:11.410. 1. Sections 1.410 to 1.485 shall be known and2 may be cited as the "Second Amendment Preservation Act".32. The general assembly finds and declares that:EXPLANATION-Matter enclosed in bold-faced brackets [thus] in this bill is not enactedand is intended to be omitted in the law.SB 952 24(1) The general assembly of the state of Missouri is5 firmly resolved to support and defend the Constitution of6 the United States against every aggression, whether foreign7 or domestic, and is duty-bound to oppose every infraction of8 those principles that constitute the basis of the union of9 the states because only a faithful observance of those10 principles can secure the union's existence and the public11 happiness;12(2) Acting through the Constitution of the United13 States, the people of the several states created the federal14 government to be their agent in the exercise of a few15 defined powers, while reserving for the state governments16 the power to legislate on matters concerning the lives,17 liberties, and properties of citizens in the ordinary course18 of affairs;19(3) The limitation of the federal government's power20 is affirmed under Amendment X of the Constitution of the21 United States, which defines the total scope of federal22 powers as being those that have been delegated by the people23 of the several states to the federal government and all24 powers not delegated to the federal government in the25 Constitution of the United States are reserved to the states26 respectively or the people themselves;27(4) [If the federal government assumes powers that the28 people did not grant it in the Constitution of the United29 States, its acts are unauthoritative, void, and of no force;30(5)] The several states of the United States respect31 the proper role of the federal government but reject the32 proposition that such respect requires unlimited33 submission. [If the federal government, created by a34 compact among the states, were the exclusive or final judge35 of the extent of the powers granted to it by the statesSB 952 336 through the Constitution of the United States, the federal37 government's discretion, and not the Constitution of the38 United States, would necessarily become the measure of those39 powers. To the contrary, as in all other cases of compacts40 among powers having no common judge, each party has an equal41 right to judge for itself as to whether infractions of the42 compact have occurred, as well as to determine the mode and43 measure of redress. Although the several states have44 granted supremacy to laws and treaties made under the powers45 granted in the Constitution of the United States, such46 supremacy does not extend to various federal statutes,47 executive orders, administrative orders, court orders,48 rules, regulations, or other actions that collect data or49 restrict or prohibit the manufacture, ownership, or use of50 firearms, firearm accessories, or ammunition exclusively51 within the borders of Missouri; such statutes, executive52 orders, administrative orders, court orders, rules,53 regulations, and other actions exceed the powers granted to54 the federal government except to the extent they are55 necessary and proper for governing and regulating the United56 States Armed Forces or for organizing, arming, and57 disciplining militia forces actively employed in the service58 of the United States Armed Forces;59(6) The people of the several states have given60 Congress the power "to regulate commerce with foreign61 nations, and among the several states", but "regulating62 commerce" does not include the power to limit citizens'63 right to keep and bear arms in defense of their families,64 neighbors, persons, or property nor to dictate what sorts of65 arms and accessories law-abiding Missourians may buy, sell,66 exchange, or otherwise possess within the borders of this67 state;SB 952 468(7) The people of the several states have also granted69 Congress the powers "to lay and collect taxes, duties,70 imports, and excises, to pay the debts, and provide for the71 common defense and general welfare of the United States" and72 "to make all laws which shall be necessary and proper for73 carrying into execution the powers vested by the74 Constitution of the United States in the government of the75 United States, or in any department or office thereof".76 These constitutional provisions merely identify the means by77 which the federal government may execute its limited powers78 and shall not be construed to grant unlimited power because79 to do so would be to destroy the carefully constructed80 equilibrium between the federal and state governments.81 Consequently, the general assembly rejects any claim that82 the taxing and spending powers of Congress may be used to83 diminish in any way the right of the people to keep and bear84 arms;85(8)] (5) The general assembly finds that the federal86 excise tax rate on arms and ammunition in effect prior to87 January 1, 2021, which funds programs under the Wildlife88 Restoration Act, does not have a chilling effect on the89 purchase or ownership of such arms and ammunition;90[(9) The people of Missouri have vested the general91 assembly with the authority to regulate the manufacture,92 possession, exchange, and use of firearms within the borders93 of this state, subject only to the limits imposed by94 Amendment II of the Constitution of the United States and95 the Constitution of Missouri; and96(10)] (6) The general assembly of the state of97 Missouri strongly promotes responsible gun ownership,98 including parental supervision of minors in the proper use,99 storage, and ownership of all firearms; the prompt reportingSB 952 5100 of stolen firearms; and the proper enforcement of all state101 gun laws. The general assembly of the state of Missouri102 hereby condemns any unlawful transfer of firearms and the103 use of any firearm in any criminal or unlawful activity.11.420. [The following federal acts, laws, executive2 orders, administrative orders, rules, and regulations shall3 be considered infringements on the people's right to keep4 and bear arms, as guaranteed by Amendment II of the5 Constitution of the United States and Article I, Section 236 of the Constitution of Missouri, within the borders of this7 state including, but not limited to] The state of Missouri8 and any of its political subdivisions, as well as the public9 officials, employees, or agents of the state and any of its10 political subdivisions, shall have no authority to assist in11 the enforcement of the following types of federal acts,12 laws, executive orders, administrative orders, rules, and13 regulations within the borders of this state including, but14 not limited to:15(1) Any tax, levy, fee, or stamp imposed on firearms,16 firearm accessories, or ammunition not common to all other17 goods and services and that might reasonably be expected to18 create a chilling effect on the purchase or ownership of19 those items by law-abiding citizens;20(2) Any registration or tracking of firearms, firearm21 accessories, or ammunition;22(3) Any registration or tracking of the ownership of23 firearms, firearm accessories, or ammunition;24(4) Any act forbidding the possession, ownership, use,25 or transfer of a firearm, firearm accessory, or ammunition26 by law-abiding citizens; and27(5) Any act ordering the confiscation of firearms,28 firearm accessories, or ammunition from law-abiding citizens.SB 952 611.450. [No entity or person, including any public2 officer or employee of this state or any political3 subdivision of this state, shall have the authority to4 enforce or attempt to enforce any federal acts, laws,5 executive orders, administrative orders, rules, regulations,6 statutes, or ordinances infringing on the right to keep and7 bear arms as described under section 1.420.] Nothing in8 sections 1.410 to 1.480 shall be construed to prohibit9 Missouri officials from accepting aid from federal officials10 in an effort to enforce Missouri laws.11.460. 1. Any political subdivision or law2 enforcement agency that employs a law enforcement officer3 who acts knowingly, as the word "knowingly" is defined under4 section 562.016, to violate the provisions of section 1.4505 or otherwise knowingly deprives a citizen of Missouri of the6 rights or privileges ensured by Amendment II of the7 Constitution of the United States or Article I, Section 238 of the Constitution of Missouri while acting under the color9 of any state or federal law shall be liable to the injured10 party in an action at law, suit in equity, or other proper11 proceeding for redress, and subject to a civil penalty of12 fifty thousand dollars per occurrence. Any person injured13 under this section shall have standing to pursue an action14 for injunctive relief in the circuit court of the county in15 which the action allegedly occurred or in the circuit court16 of Cole County with respect to the actions of such17 individual. The court shall hold a hearing on the motion18 for temporary restraining order and preliminary injunction19 within thirty days of service of the petition.202. In such actions, the court may award the prevailing21 party, other than the state of Missouri or any politicalSB 952 722 subdivision of the state, reasonable attorney's fees and23 costs.243. Sovereign immunity shall not be an affirmative25 defense in any action pursuant to this section.11.470. 1. Any political subdivision or law2 enforcement agency that knowingly employs an individual3 acting or who previously acted as an official, agent,4 employee, or deputy of the government of the United States,5 or otherwise acted under the color of federal law within the6 borders of this state, who has knowingly, as the word7 "knowingly" is defined under section 562.016, after the8 adoption of this section:9(1) Enforced or attempted to enforce any of the10 infringements identified in section 1.420; or11(2) Given material aid and support to the efforts of12 another who enforces or attempts to enforce any of the13 infringements identified in section 1.420;14 shall be subject to a civil penalty of fifty thousand15 dollars per employee hired by the political subdivision or16 law enforcement agency. Any person residing in a17 jurisdiction who believes that an individual has taken18 action that would violate the provisions of this section19 shall have standing to pursue an action.202. Any person residing or conducting business in a21 jurisdiction who believes that an individual has taken22 action that would violate the provisions of this section23 shall have standing to pursue an action for injunctive24 relief in the circuit court of the county in which the25 action allegedly occurred or in the circuit court of Cole26 County with respect to the actions of such individual. The27 court shall hold a hearing on the motion for a temporarySB 952 828 restraining order and preliminary injunction within thirty29 days of service of the petition.303. In such actions, the court may award the prevailing31 party, other than the state of Missouri or any political32 subdivision of the state, reasonable attorney's fees and33 costs.344. Sovereign immunity shall not be an affirmative35 defense in any action pursuant to this section.11.480. 1. For the purposes of sections 1.410 to2 1.485, the term "law-abiding citizen" shall mean a person3 who is not otherwise precluded under state law from4 possessing a firearm and shall not be construed to include5 anyone who is not legally present in the United States or6 the state of Missouri.72. For the purposes of sections 1.410 to 1.480, the8 term "material aid and support" shall include voluntarily9 giving or allowing others to make use of lodging;10 communications equipment or services, including social media11 accounts; facilities; weapons; personnel; transportation;12 clothing; or other physical assets. Material aid and13 support shall not include giving or allowing the use of14 medicine or other materials necessary to treat physical15 injuries, nor shall the term include any assistance provided16 to help persons escape a serious, present risk of life-17 threatening injury.183. It shall not be considered a violation of sections19 1.410 to 1.480 to provide material aid to federal officials20 who are in pursuit of a suspect when there is a demonstrable21 criminal nexus with another state or country and such22 suspect is either not a citizen of this state or is not23 present in this state.SB 952 9244. It shall not be considered a violation of sections25 1.410 to 1.480 to provide material aid to federal26 prosecution for:27(1) Felony crimes against a person when such28 prosecution includes weapons violations substantially29 similar to those found in chapter 570 or 571 so long as such30 weapons violations are merely ancillary to such prosecution;31 or32(2) Class A or class B felony violations substantially33 similar to those found in chapter 579 when such prosecution34 includes weapons violations substantially similar to those35 found in chapter 570 or 571 so long as such weapons36 violations are merely ancillary to such prosecution.375. The provisions of sections 1.410 to 1.485 shall be38 applicable to offenses occurring on or after August 28, 2021.11.485. If any provision of sections 1.410 to 1.485 or2 the application [thereof] of such provision to any person or3 circumstance is held invalid, such determination shall not4 affect the provisions or applications of sections 1.410 to5 1.485 that may be given effect without the invalid provision6 or application, and the provisions of sections 1.410 to7 1.485 are severable.1[1.430. All federal acts, laws, executive2 orders, administrative orders, rules, and3 regulations, regardless of whether they were4 enacted before or after the provisions of5 sections 1.410 to 1.485, that infringe on the6 people's right to keep and bear arms as7 guaranteed by the Second Amendment to the8 Constitution of the United States and Article I,9 Section 23 of the Constitution of Missouri shall10 be invalid to this state, shall not be11 recognized by this state, shall be specifically12 rejected by this state, and shall not be13 enforced by this state.]SB 952 101[1.440. It shall be the duty of the courts2 and law enforcement agencies of this state to3 protect the rights of law-abiding citizens to4 keep and bear arms within the borders of this5 state and to protect these rights from the6 infringements defined under section 1.420.]✓
Modifies provisions relating to additional protections to bear arms
Sponsors
Sen. Mike Moon (R) sponsors SB 952 alone.
Committees
SB 952 went before 1 committee: Transportation, Infrastructure and Public Safety.
Transportation, Infrastructure and Public Safety

Transportation, Infrastructure and Public Safety
Referred to · Jan 8, 2026
History
SB 952 has taken 6 actions since Dec 1, 2025, the latest on Feb 23, 2026.
| Chamber | Action | |||
|---|---|---|---|---|
Feb 23, 2026 | Senate | Voted Do Pass S Transportation, Infrastructure and Public Safety Committee | ||
Jan 27, 2026 | Senate | Hearing Conducted S Transportation, Infrastructure and Public Safety Committee | ||
Jan 26, 2026 | Senate | Hearing Cancelled S Transportation, Infrastructure and Public Safety Committee | ||
Jan 8, 2026 | Senate | Second Read and Referred S Transportation, Infrastructure and Public Safety Committee | ||
Jan 7, 2026 | Senate | S First Read |
Votes
SB 952 has not gone to a roll call.
Source: senate.mo.gov · legiscan.com