Mark auto rear dovetail slots

[Bad Barlow]

Does anyone know, offhand,if all the rear dovetails on the Marks are the same,fixed and adjustable? I know the different rears require different fronts...
If you know, please share,and thanks!

 

[rugerguy]

yes, the dovetail of the rear Mark series guns are the same as the RST of "later" guns early Red eagles( 194950) the dovetail was smaller ,like around 1/4 inch or so, maybe 5/16"...the newer 'standard autos' and the Marks are about 1/2 In dovetail, maybe .550"........