Help needed -Smith Carbine Info

[BADSHOT]

I know the Smith Brass Cases Diam. is .660, can anyone let me know what the internal Smith Carbine measures in the chamber diam?

Thanks in advance for your help-

[H.Liniger]

I know the Smith Brass Cases Diam. is .660, can anyone let me know what the internal Smith Carbine measures in the chamber diam?

Thanks in advance for your help-
The internal diameter of my two original Smiths is .660 and .661 . HL DSR

[BADSHOT]

Thanks very much!