166.352 Unlawful transport, manufacture, transfer or possession of rapid fire activator. (1) A person commits the crime of unlawful transport, manufacture or transfer of a rapid fire activator if the person knowingly:
(a) Transports a rapid fire activator into this state; or
(b) Manufactures, sells, offers to sell or transfers a rapid fire activator.
(2) A person commits the crime of unlawful possession of a rapid fire activator if the person knowingly possesses, purchases or receives a rapid fire activator.
(3)(a) Unlawful transport, manufacture or transfer of a rapid fire activator is a Class B felony.
(b) Unlawful possession of a rapid fire activator is a Class A misdemeanor.
(4) This section does not apply to:
(a) A peace officer, or other person employed by a law enforcement agency, who possesses a rapid fire activator in accordance with authorization given to the peace officer or other person by the law enforcement agency.
(b) A person who has registered a machine gun in accordance with federal law and the rapid fire activator is possessed for use only in, and is necessary for the proper function of, the lawfully registered machine gun.
(5) As used in this section:
(a) “Binary trigger system” means a device that, when built into, installed in or attached to a firearm, allows the firearm to fire both when the trigger is pulled or depressed and when the trigger is released.
(b) “Bump stock” means a device that, when built into, installed in or attached to a firearm, increases the rate of fire of the firearm by using energy from the recoil of the firearm to generate a reciprocating action that facilitates repeated activation of the trigger.
(c) “Burst trigger system” means a device that, when built into, installed in or attached to a firearm, allows the f
Stored review status: 2025_edition_later_amendments_unresolved. A text match is a research starting point; applicability is not established.
Official chapter context and edition notices
Chapter 166 — Offenses Against Public Order; Firearms and Other Weapons; Racketeering
Uncodified sections printed in this chapter were amended or repealed by the Legislative Assembly during its 2026 regular session. See the table of uncodified sections amended or repealed during the 2026 regular session: 2026 A&R Tables
New sections of law were enacted by the Legislative Assembly during its 2026 regular session and pertain to or are likely to be compiled in this ORS chapter. See sections in the following 2026 Oregon Laws chapters: 2026 Session Laws 0120
2025 EDITION
PUBLIC ORDER OFFENSES
CRIMES AND PUNISHMENTS
RIOT, DISORDERLY CONDUCT, HARASSMENT AND RELATED OFFENSES
BIAS CRIME
AUTHORITY TO REGULATE FIREARMS
POSSESSION AND USE OF WEAPONS
(Generally)
(Possession of Weapons in Public Buildings or Court Facilities)
(Destructive Devices)
(Duties of Firearm Owners and Possessors)
SALE OR TRANSFER OF FIREARMS
EXTREME RISK PROTECTION ORDERS
DISCHARGING WEAPONS
POSSESSION OF BODY ARMOR
MISCELLANEOUS
RACKETEERING
RIOT, DISORDERLY CONDUCT, HARASSMENT AND RELATED OFFENSES
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Authority boundary: official snapshot extraction not current law verified.
Stable record: oregon_criminal_law:legal_authorities:166.352 Source file: ors166.html Pages: Not recorded – Not recorded Passage SHA-256: 8406304f7083b4bde3de30497a77abbed954d2562d49ec3d39b6675024eff7ac Retained source evidence SHA-256: dd35e0da63555ebef88cc11cd6ae4309a37c3b744978829c3b2f00d59c0c08b8
Source location: ORS 166.352 (all printed versions and notes)
Stored source content
166.352 Unlawful transport, manufacture, transfer or possession of rapid fire activator. (1) A person commits the crime of unlawful transport, manufacture or transfer of a rapid fire activator if the person knowingly:
(a) Transports a rapid fire activator into this state; or
(b) Manufactures, sells, offers to sell or transfers a rapid fire activator.
(2) A person commits the crime of unlawful possession of a rapid fire activator if the person knowingly possesses, purchases or receives a rapid fire activator.
(3)(a) Unlawful transport, manufacture or transfer of a rapid fire activator is a Class B felony.
(b) Unlawful possession of a rapid fire activator is a Class A misdemeanor.
(4) This section does not apply to:
(a) A peace officer, or other person employed by a law enforcement agency, who possesses a rapid fire activator in accordance with authorization given to the peace officer or other person by the law enforcement agency.
(b) A person who has registered a machine gun in accordance with federal law and the rapid fire activator is possessed for use only in, and is necessary for the proper function of, the lawfully registered machine gun.
(5) As used in this section:
(a) “Binary trigger system” means a device that, when built into, installed in or attached to a firearm, allows the firearm to fire both when the trigger is pulled or depressed and when the trigger is released.
(b) “Bump stock” means a device that, when built into, installed in or attached to a firearm, increases the rate of fire of the firearm by using energy from the recoil of the firearm to generate a reciprocating action that facilitates repeated activation of the trigger.
(c) “Burst trigger system” means a device that, when built into, installed in or attached to a firearm, allows the firearm to discharge two or more rounds with a single pull or depression of the trigger by altering the trigger reset.
(d) “Firearm” has the meaning given that term in ORS 166.210.
(e) “Forced reset trigger” means a device that, when built into, installed in or attached to a firearm, mechanically forces the trigger to reset into a firing position after each round is fired.
(f) “Hellfire trigger” means a device that, when built into, installed in or attached to a firearm, disengages the trigger return spring when the trigger is pulled or depressed.
(g) “Machine gun” has the meaning given that term in ORS 166.210.
(h) “Peace officer” has the meaning given that term in ORS 133.005.
(i)(A) “Rapid fire activator” means any device, including a removable manual or power-driven device, part or combination of parts, constructed so that, when built into, installed on or attached to a firearm:
(i) The rate at which the trigger is activated increases to a faster rate than is possible for the firearm without the device; or
(ii) The rate of fire increases to a faster rate than is possible for a person to fire the firearm without the device.
(B) “Rapid fire activator” includes, but is not limited to, a bump stock, forced reset trigger, trigger crank, hellfire trigger, binary trigger system, burst trigger system, switch, auto sear or a copy or similar device, regardless of the producer or manufacturer.
(j) “Switch” or “auto sear” means a device that, when built into, installed in or attached to a firearm, applies force to a firearm’s trigger bar to prevent the bar from limiting the weapon to firing only one round each time the trigger is pulled or depressed.
(k) “Trigger crank” means a device that, when built into, installed in or attached to a firearm, repeatedly activates the trigger of the firearm through the use of a crank, level or any other part that is turned in a circular motion. [2025 c.594 §2]
Note: Section 1, chapter 594, Oregon Laws 2025, provides:
Sec. 1. Section 2 of this 2025 Act [166.352] and the amendments to ORS 166.262, 166.370 and 166.377 by sections 3 to 5 of this 2025 Act shall be known and may be cited as the “Community Safety Firearms Act.” [2025 c.594 §1]
Cross-references
Connections may be documented source relationships, shared citations or nearby passages. Each explains its basis; a connection alone does not establish applicability to your situation.
Oregon criminal law — ORS Title 16 (2025 snapshot) · legal_authorities
166.210 Definitions. As used in ORS 166.250 to 166.270, 166.291 to 166.295 and 166.410 to 166.470:
(1) “Antique firearm” means:
(a) Any firearm, including any firearm with a matchlock, flintlock, percussion cap or similar type of ignition system, manufactured in or before 1898; and
(b) Any replica of any firearm described in paragraph (a) of this subsection if the replica:
(A) Is not designed or redesigned for using rimfire or conventional centerfire fixed ammunition; or
(B) Uses rimfire or conventional centerfire fixed ammunition that is no longer manufactured in the United States and that is not readily available in the ordinary channels of commercial trade.
(2) “Corrections officer” has the meaning given that term in ORS 181A.355.
(3) “Firearm” means a weapon, by whatever name known, which is designed to expel a projectile by the action of powder.
(4) “Firearms silencer” means any device for silencing, muffling or diminishing the report of a firearm.
(5) “Frame” has the meaning given that term in 27 C.F.R. 478.12.
(6) “Handgun” means any pistol or revolver using a fixed cartridge containing a propellant charge, primer and projectile, and designed to be aimed or fired otherwise than from the shoulder.
(7) “Machine gun” means a weapon of any description by whatever name known, loaded or unloaded, which is designed or modified to allow two or more shots to be fired by a single pressure on the trigger device.
(8) “Major component” has the meaning given that term in 18 U.S.C. 922.
(9) “Minor” means a person under 18 years of age.
(10) “Offense” has the meaning given that term in ORS 161.505.
(11) “Parole and probation officer” has the meaning given that term in ORS 181A.355.
(12) “Peace officer” has the meaning given that term in ORS 133.005.
(13) “Receiv
166.262 Limitation on peace officer’s authority to arrest for violating ORS 166.250 or 166.370. A peace officer may not arrest or charge a person for violating ORS 166.250 (1)(a) or (b) or 166.370 (1)(a) if the person has in the person’s immediate possession:
(1) A valid license to carry a firearm as provided in ORS 166.291 and 166.292, unless the person possesses a firearm within the Capitol, within the passenger terminal of a commercial service airport with over one million passenger boardings per year, within a building subject to a policy described in ORS 166.377 (3) or on school grounds subject to a policy described in ORS 166.377 (1);
(2) Proof that the person is a law enforcement officer; or
(3) Proof that the person is an honorably retired law enforcement officer, unless the person has been convicted of an offense that would make the person ineligible to obtain a concealed handgun license under ORS 166.291 and 166.292. [1999 c.1040 §5; 2015 c.709 §3; 2021 c.146 §11; 2025 c.594 §5]