Call me old-fashioned, but I believe in KISS (keep it simple). As such I would favor a pump action 12 guage. Both shotguns you are looking at are fine quality weapons.
For me, I prefer (1) a simpler action (pump), (2) something that a DA or worse a mad-dog private attorney in a civil wrongful death lawsuit can not make me out to be a monster, i.e. a shotgun that screams bird hunting, not self defense (I want my attorney to ask if I have ever gone duck & goose hunting with it and have an expert witness answer an attorney's question on if that isn't a popular hunting shotgun—I don't want an opposing attorney ask if that shotgun was only designed to kill people, as juries sometimes make bad choices) , and (3) something for which parts are going to be available for the next hundred years.
For me, that means Remington 870, Mossberg 500 or Winchester 1200 (or variant).
Thanks Robert. Your wisdom is well-taken. I suppose the simpler pump action weapons will be fool-proof. I like the shorter length of the tactical weapons, for home use. I will continue to look for pump weapons with shorter barrels. A standard 870 I think is 28-30”?