Mount Spacing ?

[winchester_070]

Does anyone know where i can find a chart or referance of some sort that gives the bolt hole spacing for scope bases on popular firearms
EG REM/WIN/SAV ect ect ? Can't seem to find anything in any of my books ...
Thanks

 

[klondike bob]

scope spacing

Does anyone know where i can find a chart or referance of some sort that gives the bolt hole spacing for scope bases on popular firearms
EG REM/WIN/SAV ect ect ? Can't seem to find anything in any of my books ...
Thanks

the most common hole spacing is .504 and .860,of a inches