Hi Bhess.
Keep an eye out for some of the vhitavouri powders as there maybe something that's similar burn rate to 2206h or cfe223.
The other powder I'd look at which I've just used to work up a load in my mates 7mm08 is: IMR 4166 enduron.
I'd give dead eye dicks, tenpoint one or Ozark outdoors a bell and run it past them for suitable equivalents.
Those 3 are all relatively close to you location wise.
Hope this helps
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