People don’t realize that in house distance shotgun pattern is damn tight in 25-28 inch barrels
U can miss
This such a debatable topic
Something to grab quick from slumber
A sidearm
Something most deadly
A slug or heavy buck or a .460 weatherby lol
Practical if your awake enough
A carbine assault caliber rifle your choice honestly
That combat trained old man in Arkansas meth dealer RKBA guy a few years ago destroyed an alphabet assault squad and survived at 4am with his AK style kit
So there
My daughter lives in an apartment complex; anything that fires ball ammo is a no-go. So is buckshot. The walls are so thin you not only hear your neighbor fart, you can smell it.
It comes down to the ammo and the choke. Only high-end shotguns with 18.5-inch barrels have screw in choke options. Most home defense shotguns have fixed chokes, so it comes down to ammo.
https://thefiringline.com/forums/showthread.php?t=472680 https://www.usacarry.com/are-chokes-useful-home-defense-shotguns/