I assume you are talking .223 here? (you didn't mention specifically, but say RRA AR)
H335 works fine for me with all bullet weights from 40 grain to 60 grain. In V-Max, I've used both 40 and 60 grain bullets, but not the 55 grain.
I've found the H4198 works just as well or better with less pressure, but that powder doesn't meter nearly as well through many powder measures.
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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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