These stories always make me smile. But I have to say that in MA there is virtually no way a citizen can defend himself like this. If a guy is kicking in my door, I am legally obligated to run to the back of my house and try to leave if possible. If backed into a corner (literally), I can shoot, but the burden of proof is on me to show that I had no other option. And if my gun isn’t registered, it’s an automatic year in jail for me.
If you keep two loaded guns in your house, one at each end. Are you going to back out of your house leaving a loading firearm for the intruder to use on you?