Oregon Law
Law as of Jan 1, 2026
Chapter contents
166.005Treason 166.010[Repealed by 1971 c.743 §432] 166.015Riot 166.020[Repealed by 1971 c.743 §432] 166.023Disorderly conduct in the first degree 166.025Disorderly conduct in the second degree 166.030[Repealed by 1971 c.743 §432] 166.035[1971 c.743 §221; repealed by 1975 c.715 §2] 166.040[Repealed by 1971 c.743 §432] 166.045[1971 c.743 §222; repealed by 1983 c.546 §3] 166.050[Repealed by 1971 c.743 §432] 166.060[Amended by 1959 c.436 §1; 1961 c.503 §1; repealed by 1971 c.743 §432] 166.065Harassment 166.070Aggravated harassment 166.075Abuse of venerated objects 166.076Abuse of a memorial to the dead 166.085Abuse of corpse in the second degree 166.087Abuse of corpse in the first degree 166.090Telephonic harassment 166.095Misconduct with emergency telephone calls 166.110[Amended by 1961 c.503 §2; repealed by 1971 c.743 §432] 166.115[1981 c.783 §3; repealed by 2001 c.851 §2 (166.116 enacted in lieu of 166.115)] 166.116Interfering with public transportation 166.119Interfering with a health care facility 166.120[Repealed by 1971 c.743 §432] 166.122Definitions for ORS 166.122 to 166.128 166.125Domestic terrorism in the first degree 166.128Domestic terrorism in the second degree 166.130[Repealed by 1971 c.743 §432] 166.140[Repealed by 1971 c.743 §432] 166.150[Repealed by 1971 c.743 §432] 166.155Bias crime in the second degree 166.160[Repealed by 1971 c.743 §432] 166.165Bias crime in the first degree 166.167Community service as sentence for bias crime 166.170State preemption 166.171Authority of county to regulate discharge of firearms 166.172Authority of city to regulate discharge of firearms 166.173Authority of city or county to regulate possession of loaded firearms in public places 166.174Authority of city, county, municipal corporation or district to regulate possession or sale of firearms 166.175Authority of city to regulate purchase of used firearms 166.176Exception to preemption for certain county ordinances 166.180Negligently wounding another 166.190Pointing firearm at another; courts having jurisdiction over offense 166.210Definitions 166.220Unlawful use of weapon 166.230[Repealed by 1979 c.779 §7] 166.240Carrying of concealed weapons 166.245[1989 c.839 §38; repealed by 1995 s.s. c.1 §7] 166.250Unlawful possession of firearms 166.255Possession of firearm or ammunition by certain persons prohibited 166.256Relinquishment of firearm upon person becoming subject to certain court orders 166.257Return of relinquished firearm 166.259Relinquishment of firearm upon conviction of certain offenses 166.260Persons not affected by ORS 166.250 166.262Limitation on peace officer’s authority to arrest for violating ORS 166.250 or 166.370 166.263Authority of parole and probation officer to carry firearm 166.265Manufacture, importation, sale or transfer of undetectable firearm 166.266Sale, transfer or possession of firearm without serial number 166.267Importation, sale, transfer or possession of unfinished frame or receiver 166.270Possession of weapons by certain felons 166.272Unlawful possession of machine guns, certain short-barreled firearms and firearms silencers 166.273Relief from firearm prohibitions related to mental health 166.274Relief from prohibition against possessing or receiving firearm; fees 166.275Possession of weapons by inmates of institutions 166.279Forfeiture of deadly weapons 166.280[Amended by 1981 c.767 §1; 1993 c.625 §2; 1997 c.480 §5; 1997 c.693 §2; repealed by 2001 c.666 §56] 166.281[2001 c.666 §52; repealed by 2003 c.614 §13] 166.282Sale of weapons by political subdivision; disposition of proceeds 166.290[Amended by 1973 c.391 §1; repealed by 1989 c.839 §7 (166.291 to 166.293 enacted in lieu of 166.290)] 166.291Issuance of concealed handgun license; application; fees; liability 166.292Procedure for issuing; form of license; duration 166.293Denial or revocation of license; review 166.295Renewal of license 166.297Annual report regarding revocation of licenses 166.300Killing or injuring another with firearm as cause for loss of right to bear arms 166.310[Repealed by 1985 c.709 §4] 166.320Setting springgun or setgun 166.330Use of firearms with other than incombustible gun wadding 166.340[1965 c.20 §§2,3; 1969 c.351 §1; repealed by 1981 c.41 §3] 166.350Unlawful possession of armor piercing ammunition 166.352Unlawful transport, manufacture, transfer or possession of rapid fire activator 166.355Manufacture, importation, possession, use, purchase, sale or transfer of large-capacity magazine 166.360Definitions for ORS 166.360 to 166.380 166.370Possession of firearm or dangerous weapon in public building or court facility; exceptions; discharging firearm at school 166.372[1993 c.625 §3; repealed by 1996 c.16 §5] 166.373Possession of weapon in court facility by peace officer or federal officer 166.375Possession of handgun or ammunition by Department of Corrections authorized staff member; rules 166.377Possession of firearms in certain public buildings by concealed handgun licensees 166.380Examination of firearm by peace officer; presentation of concealed handgun license 166.382Possession of destructive device prohibited; exceptions 166.384Unlawful manufacture of destructive device 166.385Possession of hoax destructive device 166.390Short title 166.392Definitions 166.395Securing firearms; penalties; civil liability 166.397Reporting loss or theft of firearm; penalties; civil liability 166.400Requirement that firearm be locked during transfer; penalties; civil liability 166.403Duty to supervise upon transfer of firearm to minor; civil liability 166.405Gun dealer notice requirement 166.410Manufacture, importation or sale of firearms 166.412Definitions; firearms transaction record; criminal history record check; prohibited transfer report; liability; rules 166.414Fees for conducting criminal history record checks 166.416Providing false information in connection with a transfer of a firearm 166.418Improperly transferring a firearm 166.420[Amended by 1989 c.839 §2; 1993 c.4 §1; 1993 c.594 §4; 1993 c.693 §1; repealed by 1995 c.729 §13] 166.421Stolen firearms; determination; telephone requests 166.422Enforcement of ORS 166.412 166.425Unlawfully purchasing a firearm 166.427Register of transfers of used firearms 166.429Firearms used in felony 166.430[Amended by 1971 c.464 §1; repealed by 1989 c.839 §39] 166.432Definitions for ORS 166.412 and 166.433 to 166.441 166.433Findings regarding transfers of firearms 166.434Requirements for criminal background checks; fees 166.435Firearm transfers by unlicensed persons; requirements; exceptions; penalties 166.436Department of State Police criminal background checks for gun show firearm transfers; prohibited transfer report; liability 166.438Transfer of firearms at gun shows; penalties 166.440[Repealed by 1989 c.839 §39] 166.441Form for transfer of firearm at gun show 166.445Short title 166.450Obliteration or change of identification number on firearms 166.460Antique firearms excepted 166.470Limitations and conditions for sales of firearms 166.480Sale or gift of explosives to children 166.490Purchase of firearms in certain other states 166.500Findings; short title 166.503Definitions 166.505Permits to purchase firearms; rules 166.508Denial of application; revocation; petition to circuit court 166.510[Amended by 1957 c.290 §1; 1973 c.746 §1; 1983 c.546 §2; repealed by 1985 c.709 §4] 166.512Severability 166.515[1973 c.746 §2; repealed by 1985 c.709 §4] 166.520[Amended by 1973 c.746 §3; repealed by 1985 c.709 §4] 166.525Definitions 166.527Petition for ex parte order; issuance and service of order; request for hearing 166.530Hearing on order; continuation or termination of order 166.533Hearing to terminate order 166.535Renewal of order 166.537Surrender of deadly weapons pursuant to order 166.540Return of surrendered deadly weapons 166.543Criminal penalties 166.560[1965 c.118 §1; repealed by 1971 c.743 §432] 166.610[Repealed by 1971 c.743 §432] 166.620[Repealed by 1963 c.94 §2] 166.630Discharging weapon on or across highway, ocean shore recreation area or public utility facility 166.635Discharging weapon or throwing objects at trains 166.638Discharging weapon across airport operational surfaces 166.640[Repealed by 1971 c.743 §432] 166.641Definitions for ORS 166.641 to 166.643 166.642Felon in possession of body armor 166.643Unlawful possession of body armor 166.645Hunting in cemeteries prohibited 166.649Throwing an object off an overpass in the second degree 166.650[Repealed by 1971 c.743 §432] 166.651Throwing an object off an overpass in the first degree 166.660Unlawful paramilitary activity 166.663Casting artificial light from vehicle while possessing certain weapons prohibited 166.710[1957 c.601 §1; repealed by 1971 c.743 §432] 166.715Definitions for ORS 166.715 to 166.735 166.720Racketeering activity unlawful; penalties 166.725Remedies for violation of ORS 166.720; time limitation 166.730Authority of investigative agency; compelling compliance with subpoena 166.735Short title; construction

Chapter 166 — Offenses Against Public Order; Firearms and Other Weapons; Racketeering

ORS 166.450 Obliteration or change of identification number on firearms

Any person who intentionally alters, removes or obliterates the identification number of any firearm for an unlawful purpose, shall be punished upon conviction by imprisonment in the custody of the Department of Corrections for not more than five years. Possession of any such firearm is presumptive evidence that the possessor has altered, removed or obliterated the identification number.

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2026-01-01

2025 Oregon Revised Statutes — official online source