I have a "spring Compressor" as part of the equipment for the Bofors gun, GBP150 plus freight, I can probably get it to the UK for free.
Also have a couple of 25pdr tool rolls , one marked as : Holdall spare parts, QF 25Pr MK1 1941 Lewis&Co ( Peter Jones ) GBP75 plus freight,
PM if interested, Cheers Andrew.