Old Beaumont rifle

[Major Tom]

Caliber 11x52, what is brass dimension?

[Tuna]

According to Cartridges of the World the .43 Egyptian Remington is the same and can be used in Beaumont rifles. I do not have any other info to pass on other then the case being 2.04 inches long.

[PhillipM]

This page may help you. He takes a 50-90 sharps case and forms it to 11x52

http://www.pulemetov.net/weaponry/beaumont_cart_71_88.html