Colorado Airgun Laws and Hunting Regulations

Brief Overview Of Colorado State Laws Concerning Air Guns

Colorado state law enforces mandatory expulsion from public school for carrying, bringing, using or possessing, without proper authorization, a pellet or BB gun, whether operational or not.

Otherwise Colorado state law does not regulate air guns.

Colorado State Air Gun Laws

1.Colo. Rev. Stat. § 22-33-106(1)(d)(I), (II)(B).
(d) (I) Serious violations in a school building or in or on school property, which suspension or expulsion shall be mandatory; except that expulsion shall be mandatory for the following violations: Carrying, bringing, using, or possessing a dangerous weapon without the authorization of the school or the school district; the sale of a drug or controlled substance as defined in section 12-22-303, C.R.S.; or the commission of an act which if committed by an adult would be robbery pursuant to part 3 of article 4 of title 18, C.R.S., or assault pursuant to part 2 of article 3 of title 18, C.R.S., other than the commission of an act that would be third degree assault under section 18-3-204, C.R.S., if committed by an adult.

(II) As used in this paragraph (d), “dangerous weapon” means:
(A) A firearm, whether loaded or unloaded, or a firearm facsimile that could reasonably be mistaken for an actual firearm;


(B) Any pellet or “bee-bee” gun or other device, whether operational or not,
designed to propel projectiles by spring action or compressed air;

How old do you need to be to purchase a BB gun, airgun, air rifle or pellet gun in Colorado?

In Colorado there is no age restrictions to purchase or own a BB gun, airgun, air rifle or pellet gun.

Colorado Air Gun Hunting Regulations

Colorado allows air gun hunting for certain species. These species include:
• Badger
• Beaver
• Bobcat
• Cottontail Rabbit
• Coyote
• Dusky (Blue) Grouse
• Gray Fox
• Grouse
• Jackrabbit
• Mink
• Muskrat
• Opossum
• Partridge
• Pheasant
• Pine Marten
• Prairie Chicken
• Prairie Dog
• Ptarmigan
• Quail
• Raccoon
• Rattlesnake
• Red Fox
• Skunk
• Small Game
• Snowshoe Hare
• Sparrow
• Squirrel
• Fox Squirrel
• Pine Squirrel
• Starlings
• Swift Fox
• Turtle
• Weasel

Air Gun Laws In Local Jurisdictions and Parks

Below are the additional laws and regulations pertaining to local jurisdictions in the state of Colorado.

ALAMOSA, COLORADO – Laws Pertaining To Airguns

ARTICLE VII. – OFFENSES RELATING TO WEAPONS
Sec. 11-119. – Firearms, BB guns, air guns, gas operated guns, spring guns, etc.; use prohibited
(a) It shall be unlawful for any person, other than a law enforcement officer in the performance of his or her duty, to discharge or use any firearm, air gun, BB gun, gas operated gun, spring gun, or similar type of gun in the city except as exempted below.
(b)  The following shall not constitute a violation of this article:
(1)  The discharge of a firearm in defense of person in accordance with C.R.S. 18-1-704 or against an intruder in accordance with C.R.S. 18-1-704.5;
(2) The discharge of a firearm for the legitimate sporting use of such weapons within areas specifically designed and lawfully permitted by the City of Alamosa for the discharge or weapons such as shooting ranges, rifle ranges, and shooting galleries;
(4)  The discharge of a firearm during a legitimate organized educational class or course under adult instruction and supervision within areas specifically designed for the discharge of such weapons;
(5)  The discharge of a firearm by representatives of service, fraternal, athletic or educational organizations/institutions firing blank cartridges at training sessions, ceremonial occasions of the nature of funeral rights, parades, starting guns at formal athletic meets, or rehearsals for such occasions and similar events;
(6)  The discharge of a firearm within a structure as part of a legitimate research, testing, or scientific process or investigation; or
(7)  The discharge of a firearm within the confines of the city’s active cattle ranch for predator and wildlife control if authorized in writing by the city manager and chief of police.
(Ord. No. 8, 2011, § 1, 7-6-11)
State law reference— Use of deadly physical force, C.R.S. 18-1-701 et seq.


ARVADA, COLORADO – Laws Pertaining To Airguns

(No documented air gun ordinances).


AURORA, COLORADO – Laws Pertaining To Airguns

DIVISION 2. – WEAPONS
Sec. 94-141. – Definitions.
Gas gun means a device designed for projecting gas-filled projectiles which release their contents after having been projected for the device and includes projectiles designed for use in such a device.
Gravity knife means any knife that has a blade released for the handle or sheath thereof by the force of gravity or application of centrifugal force, that when released is locked in place by means of a button, spring, lever or other device.
Handgun means any lawful weapon (including a starter gun) which is designed to or may be readily converted to expel a projectile by the action of an explosive charge, has a short stock and is designed to be held and fired by the use of a single hand.
Illegal weapon means:
(1)  A blackjack, gas gun, metallic knuckles, gravity knife, switchblade knife.
Sec. 94-146. – Discharge within city prohibited; exceptions; range rules.
(a)  It shall be unlawful for any person to fire, shoot, or discharge any firearm; crossbow; bow and arrow; slingshot; blowgun; BB gun or pellet gun, whether powered with gunpowder, compressed air, or gas cartridges; gas gun; or any weapon whatsoever within the city limits. However, such discharge, firing, or shooting by any law enforcement officer, federal, state, county, or city, in the course of his or her official duty shall not be deemed a violation of this subsection, and such discharge, firing, or shooting at commercial, private, or public shooting ranges or by authorized classes of schools or universities at all times under proper instruction and supervision as may be authorized or permitted by law shall not be deemed a violation of this subsection.


BURLINGTON, COLORADO – Laws Pertaining To Airguns

Chapter 9.16 – WEAPONS
9.16.020 – Discharge of firearms.
A.  Except as set forth in Section 9.16.020(B) below, it is unlawful for any person, except a law enforcement officer in the performance of his or her duties or person(s) with an approved permit issued by the chief of police and/or the city administrator, to fire or discharge firearms within the city. For purposes of this section, the term “firearms” shall be construed to include a revolver, pistol, shotgun or rifle or device of any description that may be used for the expulsion of projectiles by the use of air, explosion, or thrust via mechanical inertia including, but not limited to, firearms of any description, spring gun, air guns, gas-operated guns, devices of archery (bows and arrows, crossbows, slings, slingshots), and mechanical devices (catapults) that use weighted inertia or centrifugal force to dispel, launch or hurl objects.
B.  Certain situations involving the discharge of noise devices such as air guns or firearms discharging blanks for the purpose of redirecting wildlife when specifically approved in writing and in advance by the chief of police and/or city administrator.


CARBONDALE, COLORADO – Laws Pertaining To Airguns

(No air gun restrictions/ordinances documented).


COMMERCE CITY, COLORADO – Laws Pertaining To Airguns

Chapter 7 – PARKS AND RECREATION
Sec. 7-1008. – Fireworks, explosives, firearms and missiles.
(b)  It is unlawful to possess fireworks, explosives, firearms, BB guns, pellet guns, air guns, cross bows, long bows or slingshots while upon any park property except in areas specifically authorized in writing by the city; provided, however, that persons possessing a valid permit or license to carry a concealed firearm, which license or permit was issued pursuant to applicable state or federal law, shall be allowed to possess a firearm, only in accordance with such permit, while upon park property.
(c)  It is unlawful to discharge or use fireworks, explosives, firearms, BB guns, pellet guns, air guns, cross bows, long bows or sling shots while upon any park property except in areas specifically authorized in writing by the city.
(d) It is unlawful to throw, discharge or launch any type of missile while upon any park property except as expressly authorized by the city.
Sec. 12-6003. – Illegal weapons.
Except for peace officers or members of the armed services carrying such items in conjunction with the lawful discharge their duties, it shall be unlawful for any person to knowingly possess a blackjack, gas gun, metallic knuckles, gravity knife, or switchblade knife. In addition, it is unlawful for any person to knowingly possess a throwing star or nunchaku in a public place except for the purpose of presenting an authorized public demonstration or exhibition or pursuant to instruction in conjunction with an organized school or class. When transporting throwing stars or nunchaku for a public demonstration or exhibition or for a school or class, they shall be transported in a closed, non-accessible container.
Sec. 12-6005. – Discharging weapons.
(a)  Prohibition. It shall be unlawful for any person who is not a peace officer acting within the scope of his or her official duties to discharge a weapon of any description, including, but not limited to, revolvers, pistols, shotguns, rifles, air guns, gas operated guns, spring guns or bows, within the city limits.
(c)  Exception. The chief of police may authorize the discharge of weapons at a specific location upon determining that the authorization will not be detrimental to the health, safety, and welfare of city residents.


DENVER, COLORADO – Laws Pertaining To Airguns

DIVISION 2. – WEAPONS AND MISSILES
Sec. 38-129. – Air, gas or spring operated guns.
(b)  It shall be unlawful for any minor to buy, carry on their person or discharge any air gun, gas operated gun or spring gun discharging metal pellets or BB shot.
(c)  It shall be unlawful for any person to sell any air gun, gas operated gun or spring gun discharging metal pellets or BB shot, to any minor.
(d) It shall be unlawful for the parent, guardian or other person having legal control or custody of any minor to allow the minor to carry on their person, or to discharge any air gun, gas operated gun or spring gun discharging metal pellets or BB shot.
(e)  Nothing in this section shall prevent any person from carrying or discharging any air gun, gas operated gun or spring gun discharging metal pellets or BB shot, in any shooting gallery or on any private grounds or residence under circumstances which such instruments can be carried, discharged or operated in such a manner as not to endanger persons or property, and also in such a manner as to prevent a projectile discharged from any of such instruments from traversing any grounds or space outside the limits of such gallery, grounds or residence.
(Code 1950, § 845.13)
ARTICLE III. – OFFENSES AFFECTING MINORS
Sec. 34-46. – Other wrongs to minors.
(f)  A weapon, for purposes of this section, shall include, but not be limited to, any pistol, revolver, rifle, shotgun, machine gun, air gun, gas operated gun, spring gun, sling shot, blackjack, nunchaku, brass knuckles, artificial knuckles of any substance whatsoever, or any switchblade knife, gravity knife, or any knife having a blade greater than three and one-half (3½) inches in any length, or any explosive device, incendiary device or bomb.
(g)  A firearm, for the purposes of this section, means a pistol, revolver, rifle, shotgun, air gun, gas operated gun, or spring gun.


DURANGO, COLORADO – Laws Pertaining To Airguns

ARTICLE VIII. – OFFENSES RELATING TO WEAPONS
Sec. 17-116. – Definitions.
The following words, terms and phrases, when used in this article, shall have the meanings ascribed to them in this section, except where the context clearly indicates a different meaning:
Firearm means any instrument used in the propulsion of shot, shell or bullets or other harmful objects by the action of gunpowder exploded within it, by the action of compressed air within it, or by the power of springs and includes what are commonly known as bb-guns, pellet guns, gas guns and paint ball guns.


ENGLEWOOD, COLORADO – Laws Pertaining To Airguns

ARTICLE C. – OFFENSES RELATING TO WEAPONS
7-6C-0: – Definitions.
As used in this Chapter unless the context otherwise requires:
Air Gun: Any instrument, toy, or weapon commonly known as an air gun, BB gun, or pellet gun into which air is pumped or put to propel a BB, pellet or projectile. A gas gun is excluded from this definition.
Gas Gun: A device designed for projecting gas-filled projectiles which release their contents after having been projected from the device and includes projectiles designed for use in such a device.
7-6C-2: – Possession of Illegal Weapons.
A.  It shall be unlawful for any person to possess an illegal weapon.
C.  As used in this Section, the term “illegal weapon” means a blackjack, bomb, gas gun, zip gun, metallic knuckles, gravity knife, or switchblade knife.
D.  It shall be an affirmative defense to this Section that a person has a valid permit and license pursuant to the United States Code for such weapon, or that a person is a peace officer, or a member of the United States Armed Forces, or the Colorado National Guard acting in the lawful discharge of his/her duties.
(Code 1985, § 7-6C-2)
7-6C-3: – Prohibited Use of Weapons.
5.   Any person to discharge an air gun anywhere in this City except in shooting galleries or on any private grounds or in any residence where such instrument can be fired, discharged or operated in such a manner that the projectile does not travel outside the limits of such gallery, grounds, or residence; and, provided further, that the instrument shall not be discharged or operated in such a manner as to endanger persons or property. Nothing herein contained shall be construed to prevent the concealed carrying of any air gun when unloaded and properly cased to and from any range or gallery.
(Code 1985, § 7-6C-3; Ord. 00-7)


FEDERAL HEIGHTS, COLORADO – Laws Pertaining To Airguns

ARTICLE V. – OFFENSES AGAINST THE PUBLIC PEACE AND SAFETY
Sec. 38-82. – Throwing dangerous missiles.
It is unlawful for any person to willfully, maliciously, or recklessly throw, shoot or project any stone, arrow, pellet, dart, ball bearing, or other dangerous missile at or against the person, animal, building, structure, personal property or fixture or vehicle of another, except that the provisions of this section shall not apply to persons throwing, projecting, or shooting any such dangerous missile at any animal in order to protect his person or property or the person or property of another from physical injury, or for recreational purposes in such a manner that no unreasonable risk of harm is presented to any person, or to the real or personal property of any person.
(Code 1985, § 6-4-7)
State law reference— Throwing missiles at vehicles, C.R.S. § 18-9-116.


FLORENCE, COLORADO – Laws Pertaining To Airguns

(No air gun restrictions documented)


FOWLER, COLORADO – Laws Pertaining To Airguns

Chapter 9.36 – WEAPONS
9.36.090 – Air guns—-Prohibited—Exception.
It is unlawful for any person under eighteen years of age to carry any air gun on the streets, alleys, public roads, or public lands, or inside vehicles while upon the public streets, alleys or roads within the town unless accompanied by an adult; provided, however, that a person under eighteen years of age may carry such air gun, unloaded, in a suitable case or securely wrapped.
(Ord. 291 §17.1, 1977)
9.36.100 – Air guns—Discharge across streets, public lands—Prohibited—-Exception.
It is unlawful for any person to discharge any air gun from or across any street, sidewalk, alley, or public land, or any public place except on a properly constructed target range.
(Ord. 291 §17.2, 1977)
9.36.110 – Air guns—Parent and guardian responsibility.
No parent or guardian shall knowingly or under conditions of which an average parent or guardian should have knowledge of, suffer or permit any person under eighteen years of age, of whom he or she may be a parent or guardian, to violate the provisions of Sections 9.36.090 and 9.36.100.
(Ord. 291 §17.3, 1977)


LA PLATA County, COLORADO – Laws Pertaining To Airguns

(No air gun ordinances recorded, refer to State/town ordinances).


LAFAYETTE, COLORADO – Laws Pertaining To Airguns

ARTICLE II. – WEAPONS AND MISSILES
Sec. 75-46. – Definitions.
Gas gun means a device designed for projecting gas-filled projectiles which release their contents after being projected from the device and includes projectiles designed for use in such device.
Gravity knife means any knife, the blade of which is released from the handle or sheath thereof by the force of gravity or the application of centrifugal force and which blade, upon release, becomes locked in place by means of a button, spring, plate, level or other device.
Handgun means a pistol, revolver, or other firearm of any description, loaded or unloaded, from which any shot, bullet, or other missile can be discharged and the length of the barrel, not including any revolving, detachable, or magazine breech, does not exceed twelve (12) inches.
Illegal weapon means a blackjack, gas gun, metallic knuckles, knife, gravity knife or switchblade knife.
Mechanical gun means an air, spring operated or blow gun that discharges pellets, BB shots, paint balls, arrows or darts and includes but is not limited to BB guns, spring guns, pellet guns, paint ball guns or other similar devices.
Sec. 75-48. – Unlawful use.
It is unlawful for any person to:
(5)  To discharge or cause to be discharged any projectile from a mechanical gun except in a person’s dwelling, place of business, property under ones ownership or control or establishment specifically designed and operated for the discharge of such weapons
Sec. 75-49. – Open carry/concealed weapons prohibited.
(1)  It shall be unlawful for any person to carry, wear about their person or under their clothes, or concealed about their person, any firearm, handgun or mechanical gun.


LARIMER County, COLORADO – Laws Pertaining To Airguns

ARTICLE III. – PUBLIC RECREATION REGULATION
Sec. 42-73. – Prohibited acts generally.
(14) Firearms and other weapons:
b.   To publicly display or discharge any firearm, as defined in C.R.S. § 18-1-901(3)(h), except such firearm may be carried, unloaded, if in continuous non-stop transit to an approved and legal hunting area, if the carrier has a valid hunting license on their person. Fine…..50.00
c.   To publicly display, carry on their person, use or allow the use of weapons of any kind, including but not limited to B.B. guns, pellet guns, long bows or cross bows, or other deadly weapons, as defined in C.R.S. § 18-1-901(3)(e), excluding firearms, except such weapon may be carried, unloaded or sheathed, if in continuous non-stop transit to an approved and legal hunting area, if the carrier has a valid hunting license on their person. Fine …..50.00


LONGMONT, COLORADO – Laws Pertaining To Airguns

CHAPTER 13.20. – PARKS
13.20.020. – Park regulations.
18. Knowingly possess an unconcealed firearm of any description if so posted, or a concealed firearm of any description, unless authorized to do so pursuant to C.R.S. § 18-12-214, or air rifle, spring-gun, bow and arrow, sling paintball gun, or any other weapon potentially inimical to wildlife or dangerous to human safety, or any instrument that can be loaded with and fire blank cartridges, or any kind of trapping device, except in areas designated for one of these purposes.


LOUISVILLE, COLORADO – Laws Pertaining To Airguns

Chapter 9.82 – FIREARMS
Sec. 9.82.010. – Discharge of firearms.
B.  It shall be unlawful for any person, except a law enforcement officer in the performance of his duties, to fire or discharge within the city a revolver or pistol of any description, or a shotgun or rifle which may be used for the explosion of cartridges or shells, or any air gun, gas-operated gun, or spring gun.
C.  Subsection A of this section shall not apply to persons discharging such weapons in defense of person or property.
(Code 1962, § 29.2; Code 1977, § 9.82.010)
Sec. 9.82.010. – Discharge of firearms.
A. It shall be unlawful for any person, except a law enforcement officer in the performance of his duties, to fire or discharge within the city a revolver or pistol of any description, or a shotgun or rifle which may be used for the explosion of cartridges or shells, or any air gun, gas-operated gun, or spring gun.
B. Subsection A of this section shall not apply to persons discharging such weapons in defense of person or property.
(Code 1962, § 29.2; Code 1977, § 9.82.010)
Sec. 4.04.010. – Scope; prohibitions.
Y. Discharge or carry any firearms (concealed or otherwise), projectile weapons, or explosives of any kind including but not limited to fireworks, BB guns, pellet guns, rockets, hobby rockets, air guns, paint ball guns, blow guns, crossbows, longbows and slingshots; provided, however, that this subsection Y shall not be construed to prohibit the carrying of a concealed handgun if, at the time of carrying the concealed handgun, the person holds a valid written permit to carry a concealed handgun issued pursuant to C.R.S. 18-12-201 et seq., and is otherwise carrying the concealed weapon in accordance with any applicable state or local law.


MANITOU SPRINGS, COLORADO – Laws Pertaining To Airguns

Chapter 9.52 – POSSESSION OR USE OF WEAPONS
9.52.010 – Definitions.
B. “Gas gun” means a device designed for projecting gas filled projectiles which release their contents after having been projected from the device and includes projectiles designed for use in such a device.
H.  “Firearm” means any firearm, pistol, revolver, rifle, handgun, shotgun, spring gun, air gun, BB gun or other instrument or device capable of discharging bullets or cartridges or other explosive charges.
(Ord. 2482 § 2 (part), 1982)
9.52.020 – Unlawful possession and sale.
It is unlawful for any person:
A.  To possess, possess for sale, or sell an illegal weapon, which term means for the purpose of this chapter, any blackjack, gas gun, metallic knuckles, gravity knife, throwing stars, and nunchaku as defined in Section 9.52.010


MONUMENT, COLORADO – Laws Pertaining To Airguns

9.24.030 – Using dangerous or deadly weapons.
It is unlawful for any person to discharge a revolver or pistol of any description, shotgun or rifle, which may be used for the explosion of cartridges, or any air gun, gas operated gun or spring gun, or any bow made for the purpose of throwing or projecting missiles of any kind by any means whatsoever, whether such instrument is called by any name, within the Town limits of the Town of Monument or upon any property owned by the Town of Monument, be it within or without the Town limits; provided, that nothing in this section shall prevent the use of any such instruments in shooting galleries or in any private grounds or residence under circumstances when such instrument can be fired, discharged or operated in such a manner as not to endanger persons or property and also in such a manner as to prevent the projectile from traversing any grounds or space outside the limits of such gallery, grounds or residence; and further provided, that nothing contained in this section shall prevent the ceremonial discharge of weapons using blank cartridges for such events as funerals and parades.
(Ord. 26-2001 § 1: prior code § 6-4-20)
(Ord. No. 20-2009, § 4, 8-3-2009)


NEW CASTLE, COLORADO – Laws Pertaining To Airguns

Chapter 9.64 – WEAPONS AND EXPLOSIVES
9.64.020 – Prohibited use of weapons.
A.  A person commits a criminal offense if: 1. He or she knowingly and unlawfully aims a firearm at another person;
2. Not being a peace officer, he or she knowingly fires or discharges any cannon, gun, pistol, revolver, or any other firearm anywhere within the town;
4.   He or she knowingly and unlawfully discharges any air gun, gas-operated gun, BB  gun, pellet gun, slingshot, or spring gun anywhere within the town;
5.   He or she knowingly and unlawfully sets off, or explodes any firecracker, torpedo ball, rocket or other fireworks, except on the celebration of some holiday or event, by the consent of the mayor or town administrator.
9.64.050 – Possession of illegal weapon.
B.  As used in this section, the term “illegal weapon” means a blackjack, bomb, firearm, silencer, gas gun, machine gun, short shotgun, short rifle, metallic knuckles, gravity grip, or switchblade knife or any knife with a blade in excess of three and one-half inches other than a concealed sheath knife.
C.  It is unlawful for a person, other than a peace officer or member of the armed forces of the United States or Colorado National Guard acting in the lawful discharge of his or her duties or a person who has a valid permit and license for such weapon, to knowingly possess an illegal weapon. The exceptions in this subsection shall be an affirmative defense.
(Prior code § 8-12-190)


SHERIDAN, COLORADO – Laws Pertaining To Airguns

ARTICLE VII. – WEAPONS
Sec. 50-288. – Definitions.
Gas gun means a device designed for projecting gas-filled projectiles which release their contents after being projected from the device and includes projectiles designed for use in such device.
Illegal weapon means a blackjack, gas gun, metallic knuckles, knife, gravity knife or switchblade knife.
Mechanical gun means an air, spring operated or blow gun that discharges pellets, BB shots, paint balls, arrows or darts and includes but is not limited to BB guns, spring guns, pellet guns, paint ball guns or other similar device.
Sec. 50-290. – Unlawful use.
It is unlawful for any person to:
(5)  To discharge or cause to be discharged any projectile from a mechanical gun except in a person’s dwelling, place of business, property under one’s ownership or control or establishment specifically designed and operated for the discharge of such weapons.
Sec. 50-291. – Open carrying or concealing weapons prohibited.
(a)  It shall be unlawful for any person to carry, wear about their person or under their clothes, or concealed about their person, any firearm, handgun or mechanical gun.


SILT, COLORADO – Laws Pertaining To Airguns

Chapter 9.32 – WEAPONS
9.32.010 – Shooting without authorization—Matches or competitions.
Except in circumstances of extreme emergency, no person shall, within the corporate limits of the town, fire or discharge any cannon, gun, rifle, fowling piece, pistol, air gun or firearms of any description, without prior permission from the town marshal, which permission shall limit the time and define the circumstances of such firing, and shall be subject to immediate revocation by the town marshal at any time for failure to comply with the conditions of the grant; provided, that no such permission shall be granted to any person to hold or conduct any shooting match or competitive skill with firearms within the limits of the town, except upon prior authorization by the board.
(Ord. 18, Series of 1980 § II (part): Gen. Ords. Art. XI § 9, 1936)
9.32.020 – Dangerous or deadly weapons.
H. Definition. For purposes of this section, “dangerous or deadly weapons” means any firearm whether loaded or unloaded including any pistol, revolver, rifle, shotgun, air gun, gas-operated gun, spring gun, B-B gun.


STEAMBOAT SPRINGS, COLORADO – Laws Pertaining To Airguns

ARTICLE V. – WEAPONS
Sec. 10-166. – Discharge of firearms.
No person shall discharge any projectile from a firearm or gas or mechanically operated gun other than a police officer, or a peace officer of any state or the United States and acting in such capacity.
Sec. 10-168. – Aiming weapon at another.
No person not a police officer, or a peace officer of any state or the United States and acting in such capacity, shall knowingly aim a loaded or unloaded firearm or gas or mechanically operated gun at another person.
Sec. 10-169. – Dangerous and concealed weapons.
(b)  Concealing prohibited. It is unlawful for any person within the corporate limits of the city to wear under his clothes, or concealed on or about his person, or to display in a threatening manner, or to flourish any dangerous or deadly weapon, including, but not limited to, any pistol, revolver, rifle, shotgun, air gun, gas-operated gun, spring gun, slingshot, brass knuckles, or knuckles of any material whatsoever, or any knife having a blade of more than 3½ inches in length, or any other dangerous or deadly weapon.
(c)  Carrying prohibited. It is unlawful for any person within the corporate limits of the city to transport, carry, use or wear any dangerous or deadly weapon, including, but not limited to, any pistol, revolver, rifle, shotgun, air gun, gas-operated gun, spring gun.


STERLING, COLORADO – Laws Pertaining To Airguns

Sec. 12-8. – Discharge of firearms, other explosive devices, and use of bows and crossbows.
Except as authorized by state statute, no person shall, within the city or within public parks belonging to the city, fire or discharge any cannon, gun, pistol, firearm, fireworks, except those defined as permissible in C.R.S. § 12-28-101(8), or air, spring or pellet gun of any description.
Sec. 13-63. – Discharge of firearms or dangerous missiles.
It shall be unlawful to discharge, fire or shoot any air gun, slingshot, pellet gun, blowgun, arrow, firearm or other projectile or projectile-launching device in any park or recreation facility owned by or leased to the city, except in designated areas.
(Ord. No. 3-1989, § 19A-24, 3-14-89, eff. 3-17-89)
Cross reference— Discharge of firearms or other explosives prohibited in the city, § 12-8.


THORNTON, COLORADO – Laws Pertaining To Airguns

Sec. 38-236. – Concealed weapons.
(b)  Unlawful acts.
(c)  It shall be unlawful for any person to conceal a dangerous weapon, a prohibited weapon, a firearm or an air gun, whether loaded or unloaded, or whether capable or incapable of being fired, or bludgeon or slingshot on or about such person.
Sec. 38-237. – Dangerous weapons.
(a)  Definitions. The following words, terms and phrases, when used in this section and applicable to this chapter, shall have the meanings ascribed to them in this subsection, except where the context clearly indicates a different meaning:
Air gun means any instrument, toy or weapon commonly known as an air gun, air rifle, pellet gun, BB gun, paint pellet gun, mechanical gun, blowgun, or spring piston operated gun, which requires air to propel a BB, pellet, dart or other projectile, but excluding children’s plastic toy guns which shoot or project plastic or rubber darts and excluding gas guns, as defined in subsection 38-239(a).
Firearm means any handgun, automatic, revolver, pistol, rifle, shotgun, or other instrument or device capable of or intended to be capable of discharging bullets, cartridges or other explosive charges, excluding gas guns, as defined in Section 38-239(a).
(b)  Unlawful acts.
(2)  It shall be unlawful for any person to knowingly possess on or about the person or within such person’s immediate reach any dangerous weapon.
(3)  It shall be unlawful for an adult to knowingly possess an air gun, bludgeon, chemical agent, or slingshot if used in a manner intended to produce bodily injury. It shall also be unlawful for any juvenile to knowingly possess a chemical agent if used in an offensive manner intended to produce bodily injury.
(4)  It shall be unlawful for any juvenile to knowingly possess on or about said person or within said person’s immediate reach any dangerous weapon or handgun. It is also unlawful for any juvenile to possess, on or about said person or within said person’s immediate reach, any air gun, bludgeon or slingshot. Provided, however, it shall not be unlawful for a juvenile to possess an air gun, bludgeon or slingshot if the juvenile is under the immediate and continuous supervision of a parent or adult who has legal custody; or a grandparent who has been given control of any juvenile by such juvenile’s parent or adult who has legal custody over such juvenile and such possession occurs on the property of such parent or adult who has legal custody of the juvenile.
(4) It shall be unlawful for a parent of any juvenile to knowingly allow such juvenile to possess any dangerous weapon, as defined herein, or any air gun, bludgeon or slingshot, unless under the immediate and continuous supervision of a parent or adult who has legal custody; or an adult who has been given control of any juvenile by such juvenile’s parent or adult who has legal custody over such juvenile.
(6)  It shall be unlawful for any person to display or flourish a dangerous weapon, firearm, air gun, bludgeon, chemical agent or slingshot in a manner calculated to alarm another person.
(7)  It shall be unlawful for any person to knowingly supply, sell, loan or furnish any air gun, slingshot, firearm, prohibited weapon, or dangerous weapon, as defined in Section 38-239(a) and subsection (a) of this section to:
a.   Any person under the influence of intoxicating liquor or of a controlled substance, as defined in C.R.S. § 12-22-303(7); or
c.   A firearm other than a handgun, to any juvenile unless the juvenile is accompanied by a parent or an adult who has legal custody; over such juvenile.
d.   Sec. 38-238. – Discharging weapons.
e.   Unlawful acts. It shall be unlawful for any person to knowingly or recklessly fire, shoot or discharge any air gun, chemical agent, dangerous weapon, slingshot, firearms as defined in Section 38-237(a), or prohibited weapon, as defined in Section 38-239(a), within the city.
f.    Affirmative defenses. It shall be an affirmative defense to a violation of subsection (a) of this section that:
g.   A person is firing or discharging an air gun, chemical agent, dangerous weapon, firearm or slingshot to defend one’s self or others from the imminent use of deadly force or as specifically authorized by state statute, or a person is discharging a chemical agent or slingshot to defend one’s self or others from the imminent use of unlawful force;
h.   An adult is firing or discharging an air gun, bow, crossbow or slingshot within the confines of any building or any structure located on private property, with the permission of the owner of such private property or an adult occupant of such private property, or such adult’s own private property, provided that such air gun, bow, crossbow or slingshot is discharged so as not to endanger any person or property and the discharged projectile does not traverse the confines of the building or structure;
i.    A juvenile is discharging an air gun, bow, crossbow or slingshot within the confines of the building or any structure located on private property, with the permission of the owner of such private property, or an adult occupant of such private property, and such juvenile is under the immediate and continuous supervision of a parent of such juvenile or the parent of a juvenile occupant of such private property, or adult occupant of such private property; provided however, that such air gun, bow, crossbow or slingshot is discharged so as not to endanger any person or property and the discharged projectile does not traverse the confines of the building or structure.
j.    Exceptions. The prohibitions contained in subsection (a) of this section shall not apply to:
k.   Persons using and discharging any dangerous weapon or firearm, as defined in Section 38-237(a), within the premises of any shooting gallery, rifle range or other shooting range lawfully operating and in compliance with the ordinances of the city, or for a demonstration or exhibition as authorized by the chief of police of the city, and used so as not to endanger any person or property;
l.    Persons using and discharging any dangerous weapon or firearm, as defined in Section 38-237(a), at authorized classes of schools or universities and at all times under proper instruction and supervision;
m.  Representatives of service, fraternal, athletic or educational organizations/institutions firing blank cartridges at training sessions, ceremonial occasions of the nature of funeral rights, parades, starting guns at formal athletic meets, or rehearsals for such occasions and similar events.
n.   (Code 1975, § 33-2(C); Ord. No. 240, 8-2-66; Ord. No. 1099, 1-25-82; Ord. No. 1229, 4-11-83; Ord. No. 1598, 10-13-86; Ord. No. 2152, §§ 1—5, 4-27-92; Ord. No. 2340, § 1, 8-22-94; Ord. No. 2409, §§ 9—11, 3-18-96; Ord. No. 2777, § 5, 5-27-03)
Sec. 38-239. – Prohibited weapons
Gas gun means a device designed for launching gas filled projectiles which release their contents after having been projected from the device and includes projectiles designed for use in such a device.
Sec. 38-1. – Definitions.
Ammunition means any material which is capable of being discharged or projected from a firearm, air gun, bow, crossbow, slingshot or any weapon, as defined in Division 2 of Article VII of this chapter, including, but not limited to, bullets, cartridges, BBs, pellets, darts, arrows, shrapnel or stones.


WHEAT RIDGE, COLORADO – Laws Pertaining To Airguns

Sec. 17-53. – Weapons.
It is unlawful to display, brandish, carry illegally or to discharge or use within any park or recreation area within the city, any BB guns, pellet guns, and air guns; bows and arrows, slingshots, paintball guns etc., or any explosive device or substance including fireworks.


WOODLAND PARK, COLORADO – Laws Pertaining To Airguns

Chapter 9.70 – DANGEROUS OR DEADLY WEAPONS
9.70.010 – Definitions.
For purposes of this chapter, “dangerous or deadly weapons” means:

  1. Any     firearm, whether loaded or unloaded, including any pistol, revolver,     rifle, shotgun, air gun, gas-operated gun, spring gun, BB gun, any bow     made for the purpose of throwing or projecting missiles of any kind by any     means whatsoever, any cross knuckles, or knuckles of lead, brass or other  metal.

Disclaimer

These rules and regulations were compiled to the best of my ability. They should not constitute as legal advice. Always check with your local jurisdiction for the final ruling.