A B&E intruder would be freaked out by the sound of shotgun pump or racking the slide of a pistol and realize he broke into the wrong house. An intruder who came to kill is entirely different, only stopping the intruder will defuse the situatation. My GP-100 is my first reachable firearm and a Mossberg 12 gauge is next on the menu. A DA revolver is ready to go without pumping , cocking, or sliding. Just point and shoot very simple. Ammo capacity in revolvers is low but if you have to reload you are in a firefight and the 12 gauge would be combat applicable.
I have seen what an AK-47 can do in a house. It can penetrate through multiple walls and out the exterior with ease. If multiple people live in your home please taken into consideration your home defense weapons.