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RickB · January 31, 2001, 12:43 PM

I load AA #7 almost exclusively in my 10. When I was fooling around with minor power loads I tried 231, but if you want the full potential of the 10 to be realized, you'll have to use a slower powder. #7 should be versatile enough to use in the .40. A mid-range 10mm load that I've been using is 10.7grs of #7 under a Montana Gold 155 or Rainier 180. I've loaded to the recommended maximum with 135JHP's, and those are some fire-breathers.

January 31, 2001, 12:43 PM	#18
RickB Senior Member Join Date: March 1, 2000 Location: Boise, ID Posts: 8,518	I load AA #7 almost exclusively in my 10. When I was fooling around with minor power loads I tried 231, but if you want the full potential of the 10 to be realized, you'll have to use a slower powder. #7 should be versatile enough to use in the .40. A mid-range 10mm load that I've been using is 10.7grs of #7 under a Montana Gold 155 or Rainier 180. I've loaded to the recommended maximum with 135JHP's, and those are some fire-breathers.