I have some but have not got around to using it. There are published loads for it for 44mag, 45Colt, 44-40, and 9mm. Research tells me that 700x is the same powder whether Dupont, IMR or Hogdon branded. It does have a varied production history so if you have old powder try and use published data from an old manual of the same era. There are plenty of old manuals free online at various sites
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