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My Hornady fifth edition shows 4 powders for the 375 jdj 270 gr sp or r n bullet [ H322 39.1 gr to 44.9 gr] for [AA2460 powder 39.3 to 45.3 gr ] [ for H 4895 powder 43.9 gr to 48.0 gr] for IMR 4064 powder [44.3 gr to 49.2 gr] hope this helps