Well...it's too late to do this now, but I can tell you what I did in a VERY similar situation.
My former boss was very much an elitist...and very much a leftist. He thinks Geoge Bush is Satan. He and I are pretty much opposites in every way. And, after this "encounter", I also learned that he does not like guns.
To get the full affect of this you would have to know him and the way he talks, but here's the story anyway. He walked in my office late one afternoon when I happened to be looking at a picture of MY Glock. My monitor does not face the doorway to my office, but he walked around behind my desk to look at some drawings I had (commercial construction). As he did I swiveled around in my chair to look at the drawings with him. He noticed the picture of my full size Glock and said, "Is that a GUN you're looking at?" I looked back over my shoulder at the monitor and said, "Yeah, that's my Glock. How do you like it?" He replied, "I don't LIKE guns." I laughed and said, "Well, I shouldn't show you the one I've got tucked away in my ankle holster then." He looked at me like he was trying to figure out if I'm serious or not and then said, "Okay, back to the question." We then proceeded to discuss the reason he had come in there (to ask me a question about something on the drawings).
Keep in mind that I had worked with this guy for a year and had earned his respect as a hard worker who gets my job done (and then some).
By the way, I did NOT have anything tucked away in an ankle holster that day...and if I did then I wouldn't have said what I did.