I have seen airguns in use on fairground booths which use a copper plated lead ball. The balls seem to splatter readily on impact, presumably to reduce/avoid richochets. The steel BB’s richochet dangerously in about 100% of the shots! The lead shot are poured into the tube magazine of repeater airguns. I am pretty sure that these were still in use within the last ten years in Britain, I haven’t been to a fairground recently.
The latest ones of these I have seen at fairgrounds saw were fully automatic, modelled on an original pattern “gangster” style Thompson SMG with drum mag and fore grip. They were powered by compressed air supplied by a hose from under the stall. The BBs were loaded into the weapon in a thin metal tube, inserted into the rear just above the buttstock. The stall offered a