Post-apocalyptic weapons industry

The situation is the usual, we have lots of junk metal lying around in cities, great but not impossible difficulties with logistics (meaning that a few railroads are in operation at immense cost, but operating nonetheless, and likewise for small naval vessels) and great difficulties with making the right tools to make the right tools and so on. I assume steelmaking would not be an issue at this point for larger societies/groups (you could start a cottage industry with wood gasification, if necessary, and coal hasn't disappeared anywhere, it's just harder to reach).

However, assuming we don't have petroleum-based gun oils (practically no oil-production is happening or left anywhere, and main fuels are food and coal), or access to gunpowder, how could they maintain their weapons? Could a small group of let's say 100-200 people (or similar scale) - given the right circumstances - produce their own reliable firearms or basic artillery, such as grenade launchers given the above circumstances?

posted about 6 years ago

VTu‭

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