I would suggest the 5-25 for stretching the legs out, rarely ever do I find myself below 8-10x, it's a non-issue for me with most shooting I do with the S&B. If having a smaller scope is of concern neither of the listed S&B's would be on my list as both are pretty large. That being said, the 5-25 would be at home on any of the AI's.
Also, I would probably stick clear of the locking turrets unless you need them. I would also suggest you try a scope with the MTC as well as one without. I do not mind the MTC, but there are a lot of people that dislike them as they definitely take some getting used to. With the MTC turrets you can skip over a click pretty easily.