yes I do realise they are diferent.......Ive got older container of dupont 4831.......which IS the same as the milserp reclaimed H4831 and is VERY close to same as new ar2213sc except grains are grey and logs are longer ...... check 140grn data and you may see what I mean about the closeness if the IMR stuff.....its not for other projectile weights...a bizarre anomaly maybe...
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