Genuine question though, is one o-ring really better than a bunch? They should last the same no? What about the sainless one? If properly stored, I don’t think rust will be a problem no?
What about the Douglass field S? I’ve never tested it, but it’s suppose to be air thight, waterproof, no cap to loose, a back up fuel tank, a spare flint rod and can use many type of fuel like a zipo, seem like a good one for prepping But it’s really expensive