There was another thread here with this video about your 5th amendment rights entitled "Don't talk to the police" by Professor James Duane. I can't seem to find it.
You can see the video here:
"Don't Talk to the Police" by Professor James Duane
I am very Pro-Police, and support law enforcement. I love cops, and I respect the job that they do. However, if they showed up at my door asking to see a gun of mine without a warrant, I'd have to politely tell them no, ask them to leave, and then call my lawyer before they got off of the porch.
just my .02