You can open carry in most places under 21 (over 18) loaded. However cities and counties can (and some do) restrict loaded OC to those without a CHL. You can always unload OC with loaded mags on you. Portland s ordinance says you cant even do that but it is void under ORS 166.170 which is a preemptive statute.
Thats the quick run down. Where are you going in Oregon?
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