mossberg 590

Thoughts on a mossberg shock wave or similar 14 inch barrel shotgun with pistol brace for close range bear defense in conjunction with a regular pistol?

hello, I have been looking around for a good home defense shotgun for a while now. The Mossberg 500/590 series is looking like the best option for me right now becomes of price and the ability to change configurations easily with the 500 flex. I have never owned a shotgun before (i have several...