Yes IMR4166 is the one for the 7mm08 same burn rate as 2208
The other new IMR powder that will work in the 7mm08 is IMR4451
IMR 4955 is best in the .300 Win Mag
Try trading it for something more suitable, I have IMR4166 but have no use for 4955
2206H is good in the 7mm08 with 139 grain bullets should be easiest to find.
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