[ronmart]

I'm going to be mounting the sierra3bdx 3.5-10x42mm scope [manual] to my Ruger American that has a picatinny rail like this:

and I literally have no idea what sides ring mounts I need. I mistakenly assumed they would have included some, but it seems not.

 

[ronmart]

I'll answer my own question after talking to Sig Support.

It needs SOA10005 which is the 30mm HIGH version.