Egon
Epic Contributor
For those in firearms restricted environments a Blunder buss may be what is needed. It could be made at home from pipe and pipe fittings and other easily assembled items. The charging powder is also easily home made. 
Now to make it a real room clearing weapon make a "Ducktail" version with multiple barrels!
Now I have never gone through the shoot or die type scenario but I do have relatives that been thru times of Domestic upheaval and it is a given fact they survived by being capable of adaptation to the situations at hand. If they had possessed the combined firepower of many weapons they would have perished!
Now to make it a real room clearing weapon make a "Ducktail" version with multiple barrels!
Now I have never gone through the shoot or die type scenario but I do have relatives that been thru times of Domestic upheaval and it is a given fact they survived by being capable of adaptation to the situations at hand. If they had possessed the combined firepower of many weapons they would have perished!