Originally Posted by
mostapha
As far as I'm aware, there aren't many jurisdictions in the US that allow semi-automatic shotguns to hold more than 2 rounds. And even with modification, most of the ones I've used/seen will only fit 4 without seriously impacting performance.
There are exceptions to both, of course, but the only shotguns I'm aware of that hold more require a Class 3 Weapon Tax Stamp and end up with a total cost of around $10,000.
I could be missing something, though…I haven't exactly tried to shop for the zombie apocalypse just yet.