One was passing by, and stopped me. He was friendly, and asked me to put the weapon in the back seat of his car while things were checked out. I did so. He did a pat down search, then asked me what I was doing
And this is where people are starting to object. I think you had a Terry Stop in pretty much the reverse order. You were stopped and frisked, and THEN questioned.
It's supposed to be Stop Question and Frisk.
There would also be some objection to reasonably suspecting criminal activity is likely when seeing an individual with a hunting arm in such close proximity to known hunting grounds.
If I go to prison the gigantic substandard neighbor, ironically nick-named Tiny, attempting to make me his girlfriend can be as nice as can be- that doesn't mean I'm going to enjoy the process, OR find it particularly lawful.