Look at load data on the ADI site. You will still have to work up the load to suit that rifle.
AR2206H is their most versatile load. Unfortunately 2208 (Varget) does seem to be the powder of choice listed various forums.
My first 7-08 loads were 42gn AR2206H UNDER A Hornady 139gn Soft point.
I've used AR2208 since because I could but
Looking at max loads in the ADI manual from a 24" test barrel they are listed as.
2206H @ 2857
2208 @ 2877
2209 @ 2906
That puts 2208 potentially only 20fps faster than the 2206H you have on hand.
Won't be a deal breaker.
2206H might be suitable if it's accurate.
The 2209 is listed as compressed @ max load but lower pressures.
First thought is which will be easier to replace in due course.
Honestly,
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