https://www.cartridgecollector.net/500-jeffery

For information, but I think it is known that not everything that is called 500 Jeffery is 500 Jeffery.

In reality I don't have a rifle caliber 500 jeffery but caliber 500 Schüler, Romey hybrid 1997. The rifle was built 1998 by Ritterbusch in Germany on an Mauser Magnum system.