[@TheWinchester4]

1,2) I would say nothing too extreme, there is enough weapons laying around, but ammo got to be scavenged and it is very much treasured. And perhaps a weapon maker or two survived the apocalyptic event. And I am very open to creative takes on traditional weapons, but remember this is a gritty western, so nothing too cheesy or fabulous. 

3) Yeah there are a lot of horses around, and maybe some mountable creatures, but horses remain to be the most reliable and known mount so far.