I run a timney with no problems and why a douglas bbl
Check out Huber Concepts. These guys make a 2-stage trigger that is fantastic. In my opinion it rivals the 2-stage AI triggers. They are not adjustable but they come in different pull weights.
Been Very happy with the Shilen Trigger in mine. No complaints and I'm kind of a whore for nice triggers. Tried it based on a friend's recommendation and I'm happy with it. It's not all wiz bang fancy but it's simple, crisp, and consistent.
CG Xtreme