Missouri Revised Statutes
Chapter 571
Weapons Offenses
←571.510
Section 571.010.1
571.012→
August 28, 2015
Definitions.
571.010. As used in this chapter, the following terms shall mean:
(1) "Antique, curio or relic firearm", any firearm so defined by the
National Gun Control Act, 18 U.S.C. Title 26, Section 5845, and the United
States Treasury/Bureau of Alcohol Tobacco and Firearms, 27 CFR Section 178.11:
(a) "Antique firearm" is any firearm not designed or redesigned for
using rim fire or conventional center fire ignition with fixed ammunition and
manufactured in or before 1898, said ammunition not being manufactured any
longer; this includes any matchlock, wheel lock, flintlock, percussion cap or
similar type ignition system, or replica thereof;
(b) "Curio or relic firearm" is any firearm deriving value as a
collectible weapon due to its unique design, ignition system, operation or at
least fifty years old, associated with a historical event, renown personage or
major war;
(2) "Blackjack", any instrument that is designed or adapted for the
purpose of stunning or inflicting physical injury by striking a person, and
which is readily capable of lethal use;
(3) "Blasting agent", any material or mixture, consisting of fuel and
oxidizer that is intended for blasting, but not otherwise defined as an
explosive under this section, provided that the finished product, as mixed
for use of shipment, cannot be detonated by means of a numbered 8 test
blasting cap when unconfined;
(4) "Concealable firearm", any firearm with a barrel less than sixteen
inches in length, measured from the face of the bolt or standing breech;
(5) "Deface", to alter or destroy the manufacturer's or importer's
serial number or any other distinguishing number or identification mark;
(6) "Detonator", any device containing a detonating charge that is used
for initiating detonation in an explosive, including but not limited to,
electric blasting caps of instantaneous and delay types, nonelectric blasting
caps for use with safety fuse or shock tube and detonating cord delay
connectors;
(7) "Explosive weapon", any explosive, incendiary, or poison gas bomb or
similar device designed or adapted for the purpose of inflicting death,
serious physical injury, or substantial property damage; or any device
designed or adapted for delivering or shooting such a weapon. For the
purposes of this subdivision, the term "explosive" shall mean any chemical
compound mixture or device, the primary or common purpose of which is to
function by explosion, including but not limited to, dynamite and other high
explosives, pellet powder, initiating explosives, detonators, safety fuses,
squibs, detonating cords, igniter cords, and igniters or blasting agents;
(8) "Firearm", any weapon that is designed or adapted to expel a
projectile by the action of an explosive;
(9) "Firearm silencer", any instrument, attachment, or appliance that is
designed or adapted to muffle the noise made by the firing of any firearm;
(10) "Gas gun", any gas ejection device, weapon, cartridge, container or
contrivance other than a gas bomb that is designed or adapted for the purpose
of ejecting any poison gas that will cause death or serious physical injury,
but not any device that ejects a repellant or temporary incapacitating
substance;
(11) "Intoxicated", substantially impaired mental or physical capacity
resulting from introduction of any substance into the body;
(12) "Knife", any dagger, dirk, stiletto, or bladed hand instrument that
is readily capable of inflicting serious physical injury or death by cutting
or stabbing a person. For purposes of this chapter, "knife" does not include
any ordinary pocketknife with no blade more than four inches in length;
(13) "Knuckles", any instrument that consists of finger rings or guards
made of a hard substance that is designed or adapted for the purpose of
inflicting serious physical injury or death by striking a person with a fist
enclosed in the knuckles;
(14) "Machine gun", any firearm that is capable of firing more than one
shot automatically, without manual reloading, by a single function of the
trigger;
(15) "Projectile weapon", any bow, crossbow, pellet gun, slingshot or
other weapon that is not a firearm, which is capable of expelling a
projectile that could inflict serious physical injury or death by striking or
piercing a person;
(16) "Rifle", any firearm designed or adapted to be fired from the
shoulder and to use the energy of the explosive in a fixed metallic cartridge
to fire a projectile through a rifled bore by a single function of the
trigger;
(17) "Short barrel", a barrel length of less than sixteen inches for a
rifle and eighteen inches for a shotgun, both measured from the face of the
bolt or standing breech, or an overall rifle or shotgun length of less than
twenty-six inches;
(18) "Shotgun", any firearm designed or adapted to be fired from the
shoulder and to use the energy of the explosive in a fixed shotgun shell to
fire a number of shot or a single projectile through a smooth bore barrel by a
single function of the trigger;
(19) "Spring gun", any fused, timed or nonmanually controlled trap or
device designed or adapted to set off an explosion for the purpose of
inflicting serious physical injury or death;
(20) "Switchblade knife", any knife which has a blade that folds or
closes into the handle or sheath, and:
(a) That opens automatically by pressure applied to a button or other
device located on the handle; or
(b) That opens or releases from the handle or sheath by the force of
gravity or by the application of centrifugal force.
(L. 1981 H.B. 296, A.L. 1998 S.B. 496, A.L. 2008 H.B. 2034)
1998
1998
571.010. As used in this chapter:
(1) "Antique, curio or relic firearm" means any firearm so defined by
the National Gun Control Act, 18 U.S.C. Title 26, Section 5845, and the
United States Treasury/Bureau of Alcohol Tobacco and Firearms, 27 CFR
Section 178.11:
(a) Antique firearm is any firearm not designed or redesigned for
using rim fire or conventional center fire ignition with fixed ammunition
and manufactured in or before 1898, said ammunition not being manufactured
any longer; this includes any matchlock, wheel lock, flintlock, percussion
cap or similar type ignition system, or replica thereof;
(b) Curio or relic firearm is any firearm deriving value as a
collectible weapon due to its unique design, ignition system, operation or
at least fifty years old, associated with a historical event, renown
personage or major war;
(2) "Blackjack" means any instrument that is designed or adapted for
the purpose of stunning or inflicting physical injury by striking a person,
and which is readily capable of lethal use;
(3) "Concealable firearm" means any firearm with a barrel less than
sixteen inches in length, measured from the face of the bolt or standing
breech;
(4) "Deface" means to alter or destroy the manufacturer's or
importer's serial number or any other distinguishing number or
identification mark;
(5) "Explosive weapon" means any explosive, incendiary, or poison gas
bomb or similar device designed or adapted for the purpose of inflicting
death, serious physical injury, or substantial property damage; or any
device designed or adapted for delivering or shooting such a weapon;
(6) "Firearm" means any weapon that is designed or adapted to expel a
projectile by the action of an explosive;
(7) "Firearm silencer" means any instrument, attachment, or appliance
that is designed or adapted to muffle the noise made by the firing of any
firearm;
(8) "Gas gun" means any gas ejection device, weapon, cartridge,
container or contrivance other than a gas bomb, that is designed or adapted
for the purpose of ejecting any poison gas that will cause death or serious
physical injury, but not any device that ejects a repellant or temporary
incapacitating substance;
(9) "Intoxicated" means substantially impaired mental or physical
capacity resulting from introduction of any substance into the body;
(10) "Knife" means any dagger, dirk, stiletto, or bladed hand
instrument that is readily capable of inflicting serious physical injury or
death by cutting or stabbing a person. For purposes of this chapter,
"knife" does not include any ordinary pocketknife with no blade more than
four inches in length;
(11) "Knuckles" means any instrument that consists of finger rings or
guards made of a hard substance that is designed or adapted for the purpose
of inflicting serious physical injury or death by striking a person with a
fist enclosed in the knuckles;
(12) "Machine gun" means any firearm that is capable of firing more
than one shot automatically, without manual reloading, by a single function
of the trigger;
(13) "Projectile weapon" means any bow, crossbow, pellet gun,
slingshot or other weapon that is not a firearm, which is capable of
expelling a projectile that could inflict serious physical injury or death
by striking or piercing a person;
(14) "Rifle" means any firearm designed or adapted to be fired from
the shoulder and to use the energy of the explosive in a fixed metallic
cartridge to fire a projectile through a rifled bore by a single function
of the trigger;
(15) "Short barrel" means a barrel length of less than sixteen inches
for a rifle and eighteen inches for a shotgun, both measured from the face
of the bolt or standing breech, or an overall rifle or shotgun length of
less than twenty-six inches;
(16) "Shotgun" means any firearm designed or adapted to be fired from
the shoulder and to use the energy of the explosive in a fixed shotgun
shell to fire a number of shot or a single projectile through a smooth bore
barrel by a single function of the trigger;
(17) "Spring gun" means any fused, timed or nonmanually controlled
trap or device designed or adapted to set off an explosion for the purpose
of inflicting serious physical injury or death;
(18) "Switchblade knife" means any knife which has a blade that folds
or closes into the handle or sheath, and
(a) That opens automatically by pressure applied to a button or other
device located on the handle; or
(b) That opens or releases from the handle or sheath by the force of
gravity or by the application of centrifugal force.
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