Trust but verify, without a CHL, ORS 166.250 should prohibit long guns. That says, to it may have changed since then.It’s been said already, but Oregon statute does not prohibit concealed long guns.
I remember a now-retired LE friend of mine pulling a guy over who he knew was a dirtbag (but not a convicted felon, yet…), and they found a concealed and loaded shotgun behind the seat of his standard-cab pickup. My friend wanted so bad to arrest him, but the guy had not broken the law and therefore went free…