I sent an old scope to Leupold for repair that they've determined they can't fix. They are generously offering to build me a custom shop scope to replace it. One of the options I'm considering would have a 30mm tube with side focus, I've never used, or even looked at a side focus scope. Would it be suitable for smallbore Silhouette use? It seems like that little knob won't have much room for indicators for the different ranges.

I think the side focus scopes are long range scopes and won't go down to be used indoors. I have one on a HP rifle and the only time I have to turn the dial is to shoot out past 700M.

I have one that the Leupold custom shop adjusted so it focuses down to 10m. It’s great!

Will it still focus parallax free past 100 yds?

Leupold said they could set it up to focus at 25 to 300 yards.
After researching and thinking about it I just ordered a new 6.5-20X EFR. It was looking like too many new tricks for this old dog.