Tactical? Isn't that a word used to sell tons of after-market crap one really doesn't need in the first place?
One reliable, adequate caliber handgun. Three full magazines, one in the well and a round in the chamber is about as tactical as I get. My brain is the tactician and for it I need not have bells, whistles, lights, lasers, or other such stuff to outsmart a dummy that thinks he is going to get me, my family, or my stuff.
I have written in previous posts about a friend I call the ultimate warrior. He exhausts countless hours finding the ultimate "tactical gun" and once he procures it, he spends large dollars equipping it with lights, lasers, and who knows what else. Three months later, he finds the next ultimate tactical gun and sells off everything he just bought for 1/2 of what he paid for it to help fund his next project. If he were a bit more clever, he would invest in a good handgun training class that teaches tactics and survival for home defense.