2023 Oregon Revised Statutes › Volume : 04 - Criminal Procedure, Crimes › Chapter 166 - Offenses Against Public Order; Firearms and Other Weapons; Racketeering › Section 166.266 - Sale, transfer or possession of firearm without serial number.

(1)(a) A person may not knowingly offer for sale, sell or transfer a firearm unless the firearm has been imprinted with a serial number by a federally licensed firearm manufacturer, importer or dealer, or a gunsmith with a federal firearms license, in accordance with federal law.
(b) A person may not knowingly possess a firearm unless the firearm has been imprinted with a serial number by a federally licensed firearm manufacturer, importer or dealer, or a gunsmith with a federal firearms license, in accordance with federal law.
(2) This section does not apply to:
(a) Antique firearms;
(b) Firearms manufactured prior to October 22, 1968;
(c) Firearms rendered permanently inoperable;
(d) The sale, offer to sell, or transfer of a firearm to, or possession of a firearm by, a person licensed as a firearm manufacturer, importer or dealer under 18 U.S.C. 923; or
(e) A gunsmith taking possession of a firearm for the purpose of imprinting the firearm with a serial number in accordance with federal law.
(3)(a) A violation of subsection (1)(a) of this section constitutes a Class B violation.
(b) Notwithstanding paragraph (a) of this subsection, a violation of subsection (1)(a) of this section is a Class A misdemeanor if, at the time of the offense, the person has a prior conviction under this section or ORS 166.265 or 166.267.
(c) Notwithstanding paragraphs (a) and (b) of this subsection, a violation of subsection (1)(a) of this section is a Class B felony if, at the time of the offense, the person has two or more prior convictions under this section or ORS 166.265 or 166.267.
(d) A violation of subsection (1)(b) of this section occurring before September 1, 2024, does not constitute an offense.
(4) A person convicted of any offense under this section shall forfeit the firearm.
(5) As used in this section, "prior conviction" includes a conviction for a violation offense. [2023 c.229 §4]
Note:
The amendments to 166.266 by section 8, chapter 229, Oregon Laws 2023, become operative September 1, 2024. See section 10, chapter 229, Oregon Laws 2023. The text that is operative on and after September 1, 2024, is set forth for the user’s convenience.
(1) A person may not knowingly possess, offer for sale, sell or transfer a firearm unless the firearm has been imprinted with a serial number by a federally licensed firearm manufacturer, importer or dealer, or a gunsmith with a federal firearms license, in accordance with federal law.
(2) This section does not apply to:
(a) Antique firearms;
(b) Firearms manufactured prior to October 22, 1968;
(c) Firearms rendered permanently inoperable;
(d) The sale, offer to sell, or transfer of a firearm to, or possession of a firearm by, a person licensed as a firearm manufacturer, importer or dealer under 18 U.S.C. 923; or
(e) A gunsmith taking possession of a firearm for the purpose of imprinting the firearm with a serial number in accordance with federal law.
(3)(a) A violation of subsection (1) of this section constitutes a Class B violation.
(b) Notwithstanding paragraph (a) of this subsection, a violation of subsection (1) of this section is a Class A misdemeanor if, at the time of the offense, the person has a prior conviction under this section or ORS 166.265 or 166.267.
(c) Notwithstanding paragraphs (a) and (b) of this subsection, a violation of subsection (1) of this section is a Class B felony if, at the time of the offense, the person has two or more prior convictions under this section or ORS 166.265 or 166.267.
(4) A person convicted of any offense under this section shall forfeit the firearm.
(5) As used in this section, "prior conviction" includes a conviction for a violation offense.