Ok so for the past few weeks I have been thinking about which one of my guns are going to be my SHTF/WROL choices. I was thinking my Bersa thunder with a Mosin or an 870. How much ammo do you recommend? Should I buy a sling for the shotgun? What would be the 2 guns you would pick in a WROL situation? What configurations are you running them with? How much ammo will your system allow in contrast to other non-firearm entities?