I live in a very pro-gun area and my neighbor is retired USMC. Even so, I prefer to keep a low-profile for the same reasons I carry concealed rather than open. I realize that carrying a gun case to the truck is not the same as open-carrying an AR-15 or even a Glock in Walmart, but I still prefer my privacy. If I could, I would load the guns in the vehicle while it was still in the garage. Unfortunately, the truck is too long and the 4x4 is too tall to fit in the garage. I don't think they make garages like they used to because I remember my parents could fit a coupe and station wagon in their two-car garage and both those cars were 20 feet long and 6 1/2 feet wide. It's all I can do to fit my wife's little 15' car in our "three-car" garage. So I just carry a Boyt case to the curb.
There is not much to be done for a magnum-action rifle with a 26" barrel or a 30" automatic shotgun. Maybe you could put them in a ski case. For a carbine with a collapsible or folding stock, I like a hard case. I know Pelicans can say "gun" especially if they're AR-15 size, but I use them for the toolbox in my 4x4, for camera gear, and more. They're good cases. Tough and protective.