Thank you Gentleman.

Just referred to Frank Barnes Cartridges of the World... the .450 number 2 is in fact an Eley design.

I was confusing it with other designs.

Thank you for that load data. Great to get advice from someone with hands on.

I do not anticipate hunting with this caliber....nothing in my country needs even half that grunt to knock it over.
And if i did hunt anything dangerous like a buffalo in Aussie i'd want a scope to help my old eyes. (The front sight is very fine).

I just want to make it go BANG BANG.
That will add to the buzz when holding it and looking at Grandads photos!

Does anyone know where i can get some of the red rubber to remake the butt pad?

Regards