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HB1916 • 2026

Modifies provisions relating to short-barreled rifles or shotguns

Modifies provisions relating to short-barreled rifles or shotguns

Passed Legislature

This bill passed both chambers and reached final enrollment, even if later executive action is not shown here.

Sponsor
Casteel, David (097)
Last action
2026-05-15
Official status
05/15/2026 - Referred: Emerging Issues(H)
Effective date
2026-08-28

Plain English Breakdown

Using official source text because the generated explanation was unavailable or could not be confirmed against the official bill text.

Modifies provisions relating to short-barreled rifles or shotguns

Modifies provisions relating to short-barreled rifles or shotguns

What This Bill Does

  • Modifies provisions relating to short-barreled rifles or shotguns

Limits and Unknowns

  • This entry is temporarily using official source text because the generated explanation could not be confirmed against the official bill text during the last sync.

Bill History

  1. 2026-05-15 Missouri House of Representatives and Missouri Senate

    Referred: Emerging Issues(H)

  2. 2026-01-08 Missouri House of Representatives and Missouri Senate

    Read Second Time (H)

  3. 2026-01-07 Missouri House of Representatives and Missouri Senate

    Read First Time (H)

  4. 2025-12-01 Missouri House of Representatives and Missouri Senate

    Prefiled (H)

Official Summary Text

Modifies provisions relating to short-barreled rifles or shotguns

Current Bill Text

Read the full stored bill text
SECOND REGULAR SESSION
HOUSE BILL NO. 1916
103RD GENERAL ASSEMBL Y
INTRODUCED BY REPRESENT A TIVE CASTEEL.
4706H.01I JOSEPH ENGLER, Chief Clerk
AN ACT
T o repeal sections 571.010, 571.020, and 578.435, RSMo, and to enact in lieu thereof three
new sections relating to short-barreled rifles or shotguns.
Be it enacted by the General Assembly of the state of Missouri, as follows:
Section A. Sections 571.010, 571.020, and 578.435, RSMo, are repealed and three
2 new sections enacted in lieu thereof, to be known as sections 571.010, 571.020, and 578.435,
3 to read as follows:
571.010. As used in this chapter , the following terms shall mean:
2 (1) "Antique, curio or relic firearm", any firearm so defined by the National Gun
3 Control Act, 18 U.S.C. T itle 26, Section 5845, and the United States T reasury/Bureau of
4 Alcohol T obacco and Firearms, 27 CFR Section 178.1 1:
5 (a) "Antique firearm" is any firearm not designed or redesigned for using rim fire or
6 conventional center fire ignition with fixed ammunition and manufactured in or before 1898,
7 said ammunition not being manufactured any longer; this includes any matchlock, wheel
8 lock, flintlock, percussion cap or similar type ignition system, or replica thereof;
9 (b) "Curio or relic firearm" is any firearm deriving value as a collectible weapon due
10 to its unique design, ignition system, operation or at least fifty years old, associated with a
11 historical event, renown personage or major war;
12 (2) "Blackjack", any instrument that is designed or adapted for the purpose of
13 stunning or inflicting physical injury by striking a person, and which is readily capable of
14 lethal use;
15 (3) "Blasting agent", any material or mixture, consisting of fuel and oxidizer that is
16 intended for blasting, but not otherwise defined as an explosive under this section, provided
EXPLANA TION — Matter enclosed in bold-faced brackets [thus] in the above bill is not enacted and is
intended to be omitted from the law . Matter in bold-face type in the above bill is proposed language.
17 that the finished product, as mixed for use of shipment, cannot be detonated by means of a
18 numbered 8 test blasting cap when unconfined;
19 (4) "Concealable firearm", any firearm with a barrel less than sixteen inches in length,
20 measured from the face of the bolt or standing breech;
21 (5) "Deface", to alter or destroy the manufacturer's or importer's serial number or any
22 other distinguishing number or identification mark;
23 (6) "Detonator", any device containing a detonating char ge that is used for initiating
24 detonation in an explosive, including but not limited to, electric blasting caps of instantaneous
25 and delay types, nonelectric blasting caps for use with safety fuse or shock tube and
26 detonating cord delay connectors;
27 (7) "Explosive weapon", any explosive, incendiary , or poison gas bomb or similar
28 device designed or adapted for the purpose of inflicting death, serious physical injury , or
29 substantial property damage; or any device designed or adapted for delivering or shooting
30 such a weapon. For the purposes of this subdivision, the term "explosive" shall mean any
31 chemical compound mixture or device, the primary or common purpose of which is to
32 function by explosion, including but not limited to, dynamite and other high explosives, pellet
33 powder , initiating explosives, detonators, safety fuses, squibs, detonating cords, igniter cords,
34 and igniters or blasting agents;
35 (8) "Firearm", any weapon that is designed or adapted to expel a projectile by the
36 action of an explosive;
37 (9) "Firearm silencer", any instrument, attachment, or appliance that is designed or
38 adapted to muffl e the noise made by the firing of any firearm;
39 (10) "Gas gun", any gas ejection device, weapon, cartridge, container or contrivance
40 other than a gas bomb that is designed or adapted for the purpose of ejecting any poison gas
41 that will cause death or serious physical injury , but not any device that ejects a repellant or
42 temporary incapacitating substance;
43 (1 1) "Intoxicated", substantially impaired mental or physical capacity resulting from
44 introduction of any substance into the body;
45 (12) "Knife", any dagger , dirk, stiletto, or bladed hand instrument that is readily
46 capable of inflicting serious physical injury or death by cutting or stabbing a person. For
47 purposes of this chapter , knife does not include any ordinary pocketknife with no blade more
48 than four inches in length;
49 (13) "Knuckles", any instrument that consists of finger rings or guards made of a hard
50 substance that is designed or adapted for the purpose of inflicting serious physical injury or
51 death by striking a person with a fist enclosed in the knuckles;
52 (14) "Machine gun", any firearm that is capable of firing more than one shot
53 automatically , without manual reloading, by a single function of the trigger;
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54 (15) "Projectile weapon", any bow , crossbow , pellet gun, slingshot or other weapon
55 that is not a firearm, which is capable of expelling a projectile that could inflict serious
56 physical injury or death by striking or piercing a person;
57 (16) "Rifle", any firearm designed or adapted to be fired from the shoulder and to use
58 the ener gy of the explosive in a fixed metallic cartridge to fire a projectile through a rifled
59 bore by a single function of the trigger;
60 (17) "School", any charter school, as such term is defined in section 160.400, any
61 private school, as such term is defined in section 166.700, or any public school, as such term
62 is defined in section 160.01 1;
63 (18) [ "Short barrel", a barrel length of less than sixteen inches for a rifle and eighteen
64 inches for a shotgun, both measured from the face of the bolt or standing breech, or an overall
65 rifle or shotgun length of less than twenty-six inches;
66 (19) ] "Shotgun", any firearm designed or adapted to be fired from the shoulder and to
67 use the ener gy of the explosive in a fixed shotgun shell to fire a number of shot or a single
68 projectile through a smooth bore barrel by a single function of the trigger;
69 [ (20) ] (19) "Spring gun", any fused, timed or nonmanually controlled trap or device
70 designed or adapted to set off an explosion for the purpose of inflicting serious physical injury
71 or death;
72 [ (21) ] (20) "Switchblade knife", any knife which has a blade that folds or closes into
73 the handle or sheath, and:
74 (a) That opens automatically by pressure applied to a button or other device located
75 on the handle; or
76 (b) That opens or releases from the handle or sheath by the force of gravity or by the
77 application of centrifugal force.
571.020. 1. A person commits an of fense if such person knowingly possesses,
2 manufactures, transports, repairs, or sells:
3 (1) An explosive weapon;
4 (2) An explosive, incendiary or poison substance or material with the purpose to
5 possess, manufacture or sell an explosive weapon;
6 (3) A gas gun;
7 (4) A bullet or projectile which explodes or detonates upon impact because of an
8 independent explosive char ge after having been shot from a firearm; [ or ]
9 (5) Knuckles; or
10 (6) Any of the following in violation of federal law:
11 (a) A machine gun;
12 (b) [ A short-barreled rifle or shotgun;
13 (c) ] A firearm silencer; or
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14 [ (d) ] (c) A switchblade knife.
15 2. A person does not commit an of fense pursuant to this section if his or her conduct
16 involved any of the items in subdivisions (1) to (5) of subsection 1 of this section , the item
17 was possessed in conformity with any applicable federal law , and the conduct:
18 (1) W as incident to the performance of official duty by the Armed Forces, National
19 Guard, a governmental law enforcement agency , or a penal institution; or
20 (2) W as incident to engaging in a lawful commercial or business transaction with an
21 or ganization enumerated in subdivision (1) of this [ section ] subsection ; or
22 (3) W as incident to using an explosive weapon in a manner reasonably related to a
23 lawful industrial or commercial enterprise; or
24 (4) W as incident to displaying the weapon in a public museum or exhibition; or
25 (5) W as incident to using the weapon in a manner reasonably related to a lawful
26 dramatic performance.
27 3. An of fense pursuant to subdivision (1), (2), (3) or (6) of subsection 1 of this section
28 is a class D felony; a crime pursuant to subdivision (4) or (5) of subsection 1 of this section is
29 a class A misdemeanor .
578.435. 1. As used in this section and section 578.437, the term "weapon" means
2 any firearm, concealable firearm, blackjack, explosive weapon, gas gun, knife, knuckles,
3 machine gun, projectile weapon, rifle, [ short barrel, ] shotgun, or switchblade knife, as defined
4 in section 571.010.
5 2. Any weapon which is owned or possessed by a member of a criminal street gang
6 for the purposes of the commission of an of fense enumerated in subdivision (2) of section
7 578.421 may be confiscated by any law enforcement agency or peace of ficer as defined in
8 section 590.100. If the law enforcement agency or peace officer believes that the return of the
9 weapon confiscated has been or will be used in criminal street gang activity or that the return
10 of the weapon would be likely to result in endangering the safety of others, the law
11 enforcement agency or peace of ficer may initiate a petition in circuit court to determine if the
12 weapon should be returned or declared a nuisance. If the court declares such weapon to be a
13 nuisance, the weapon shall be destroyed.
✔
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