Originally Posted by Zach and Holly

Great chart...

I live in an apartment and am paranoid about the thin walls. I use the new Mossberg 500 Breacher shotgun and have it loaded with #12 shot to almost completely reduce wall penetration. I have 00 buckshot as backup once I'm composed and am more aware of exacty where my shot is going in an emergency intense situation. I really have to be careful; I have people above me, and to the side.