4
I just whipped this up today using a Storm case I had:
I've got my Mossberg 590, Mossberg 930SPX, and my Stoeger Double Defender in there so I can travel with all 3 of my 12 gauges!
Here's another one I did in a Pelican 1720 case a while ago for my AR and XD45 (Mossberg 590 is just hanging out looking jealously at them)