Sure, everybody would love a truck gun, but do you need one?
First, let's define our terms. For the purpose of discussion, when we're talking about truck guns, assume we mean a firearm that is too large to comfortably conceal on your person, but small enough that it can be stowed discreetly in your vehicle. So, no vehicle mounts necessary (sorry Ma Duece, you're out). Say, something like an AR-15 or AK-47.
Anytime you're thinking about whether you should include a piece of gear into your kit or loadout, I'd recommend asking yourself these two questions:
One, is it viable, and two, is it practical? First off,