Best Pump Shotgun?
Your choices are OK, but you have overlooked the "perfect repeater"; a Winchester Model 12! I have several of them; all milled parts; built like a tank, and for self defense, get one made in the '50's that you can slam fire:i.e., hold triger back while jacking the handle. You can spit out a lot of lead thataway!
Look around and you can find them, usually with a polychoke or some other multichoke on it for $300-350. They were and are a great gun!