British Ordnance Collectors Network
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4 inch
- Thread starter Chris
- Start date
quick reply without any research: 4inch is a naval calibre and the missing band width would point that way as well. hole in the base for a tracer? cant read the stampings very clearly. No crimp groove so seperate loading 4in so could be a range of guns previous post will give case lengths if not I can list my few if you want. flat end or is it hollow and threaded. if flat its probably to limit butt penetration (!) My guess would be British.
not sure about AP as from memory naval did not use ap solid but piercing shell with HE filling because ships aren't armoured like tanks, I think this is more high angle (AA) practice, internal tracer would be because its seperate loading, an external would be easily damaged.