Section 4.888 does not apply to or affect:
(a) Sheriffs, constables, marshals, policemen, whether active or honorably retired, or other duly appointed peace officers.
(b) Any person summoned by any such officer to assist in making arrests or preserving the peace, while said person so summoned is actually engaged in assisting the officer.
(c) The possession or transportation by any merchant of unloaded firearms as merchandise.
(d) Members of the Army, Navy or Marine Corps of the United States, or of the National Guard, when on duty.
(e) Organizations which are by law authorized to purchase or receive weapons described in ORS 166.250 from the United States, or from this state.
(f) Duly authorized military or civil organizations while parading, or the members thereof when going to and from the places of meeting of their organization.
(g) Members of any club or organization, for the purpose of practicing shooting at targets upon the established target ranges, whether public or private, while such members are using any of the firearms referred to in ORS 166.250 upon such target ranges, or while going to and from such ranges.
(h) Licensed hunters or fishermen while engaged in hunting or fishing, or while going to or returning from a hunting or fishing expedition.
(i) A corrections officer while transporting or accompanying an individual convicted of or arrested for an offense and confined in a place of incarceration or detention while outside the confines of the place of incarceration or detention.