I think there are quite a few tires still in that size, Mastercraft avenger g/t, Mickey Thompson sportsman s/t, cooper cobra g/t, Eldorado legend g/t, Hercules H/p 4000, Hooiser quick times, and the mentioned BfGoodrigh, Hankook, and Firestones.
My rear tire of 265/50r15 looks to be a dead...