Only thing I can tell you is that it is French-State owned, The norma powders fall under Groupe SNPE's flag. Makes all Bofors (most of the Reloder line, and the Norma line), Vihtavuori, and Ramshot powders via their Eurenco layer.
I know that MZ5 has had really good luck with 4064 and Win 760/414.
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