@grandpamac. I've been using trailboss with excellent results but it's in very sort supply and ADI are in no hurry to make more so I need to broaden my powder range for cast reduced loads. I recently picked up some AP70N for loading 12g and knew it could be used for cast reduced loads so thats the reason for this post, to see what experience other people have had. AR2206H will most likely be my next powder purchase, I've read its good for standard velocity 303 150gr jacketed loads too. I have also been recommended 2205 and 2207 for cast loads.
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