What mount will fit directly to my 935 and work on the ff3?
I have I think a weaver #417 base, it works perfect with fastfireiii. You just have to use 2 smaller screws up front.
http://oldgobbler.com/Forum/index.php/topic,69147.0.html
This post shows another option.
What did you end up going with? The sumtoy works great on my 835.