Thanks, it is a true .505 bore, I specified this from the barrel maker and from the dealer who supplied the dies. He has laso given me a lot of help in setting me up with the reloading! Big british cartridges are a lot different from the 30.06!!

I have learnt a lot about the cartridge and reloading, inculding wrecking

one shellholder, and sticking a case into the resizing die!!

More fun along the way I am sure!!