Used 4064 for years but ran out and tried other powders.
Like the newer powders a lot better.
In order of preference:
Reloader 17
H4350
2000 MR
All with 210M Primers.

Hunter was promising with 215 primers but velocity was low. Will have to try WLRs and up the charge a bit.

Cheers

One unerring mark of the love of the truth is not entertaining any proposition with greater assurance than the proofs it is built upon will warrant. John Locke, 1690