"I'm afraid to get accosted by some DNR guys or whatever because they repeatedly emphasise uncased firearms are against their rules."
Your fear is healthy. OCing in the woods is a legal minefield because of the way the code is written.
The WVCDL introduced a bill (listed at the top of the page linked to below) to fix this last session, but it didn't make it through. Join up and help support it next session!