Question: 12 gauge shotgun is best?
Answer: Remington 870 Express Tactical No list of the best home defense shotguns would be complete without a Remington 870. The pump-action 870 is the best-selling shotgun of all time for good reason: it works. ... Another cool feature is that it will safely and reliably shoot 2-3/4-inch or 3-inch 12-gauge shotgun shells.