Here is the height data from the chart
Ring Size Saddle Height in inches
1" LOW 0.089
1" MEDIUM 0.169
1" HIGH 0.332
1" EXTRA HIGH 0.560
1" SEE-THRU 0.750
Chart is here
Weaver ring height chart I found High Weaver ringss and rear No. 14 and front No. 19 Weaver bases on Ebay.
You might be wondering why I think I need ring height on a 99.
The answer is that my Lyman 4X All American has very little tube between the adjustment saddle and the slope of the front bell. Because I do not want to knock out the rear leaf sight I need enough ring height so that the slope of the front bell clears the elevator of the rear sight: