I'm not sure about the others, but I don't believe that H4227 and IMR-4227 are the same powder and interchangeable.
I do know that this does NOT work with IMR-4895 and H4895.
A quick run to Hodgdon's online source shows different load data between H4227 and IMR-4227.
Be careful.
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Attention Brass rats and other reloaders: I really need .327 Federal Magnum brass, no lot size too small. Tell me what caliber you need and I'll see what I have to swap. PM me and we'll discuss.
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