ORS 166.300: Killing or injuring another with firearm as cause for loss of right to bear arms.

(1) Any person who has committed, with firearms of any kind or description, murder in any degree, or manslaughter, either voluntary or involuntary, or who in a careless or reckless manner, kills or injures another with firearms, and who, at any time after committing murder or manslaughter or after said careless or reckless killing or injury of another, carries or bears firearms of any kind or description within this state, commits a Class A misdemeanor.

      (2) Subsection (1) of this section does not deprive the people of this state of the right to bear arms for the defense of themselves and the state, and does not apply to any peace officer in the discharge of official duties or to a member of any regularly constituted military organization while on duty with such military organization.