HOME DEFENSE WEAPONS AND SAFE BACKSTOPS

[Talyn]

https://www.personaldefensenetwork.com/video/home-defense-weapons-and-safe-backstops/

IMO I'd also have a barrier of some sort in the kids room opposite of the one in the first room in case of a pass through.

 

[EL LOBO]

The make Kevlar wall celling floor panels that you can buy when building a safe room where bullets from a .50 cal won't penetrate. But they cost big $$$$ also they have kevlar blankets and half paneled wall or headboard panels.