Alcohol and guns do not mix! I also come from a "gun carrying" family, which is why my rules are NO GUNS IN THE HOUSE. My father was a police officer with a loaded gun in every room growing up. I remember when my brother was a teen and one of his friends had been drinking and noticed the gun on the wall and started branishing it. That was enough to scare me straight. We had been brought up with gun safety, but not everyone was.

Luckily when I had my first child, my father installed a massive gun safe in the house, no taking chances with your grandchildren.

I don't blame you for not wanting to be in the middle. I'd make sure everyone signs a rental agreement now with the rule, no guns clearly stated.

All I can say is if I told a tenant no guns, and he took that as an invitation to clean his gun, I'd see that as a threat, but that's just me. Hope the situation resolves soon.