New here

[DaveUK]

Hi . New here . Trying to do some research and find a few parts or even get some dimensions of parts that im finding a bit illusive . Hopefully someone can help out or advice
When i know how to add pics

[DaveUK]

Found out how to add images

But unsure where to post in the forum

Ok so the part im trying to source or even get measurements for
Im trying to source a gun part . Possibly a rear sight mount from a gun from ww1 ww2 era .
Please see attached images

Seeing lots of similar but not the right match . Even if its just to get any dimensions from .

Any help advice would be great

Thanks in advance