I think you may have to zero in a bit.
American guns? M1, 1911, 1903, 29, 1903, etc...
Commy block? Luger, Mosin, Steyr, SKS, etc...
British? Webley, Enfield MK, etc....
At least that almost cuts down the list.
Or just make it what you like to shoot, my problem is I like almost all of them for one reason or another.
Concentrated power is not rendered harmless by the good intentions of those who create it.