I have 38spl 158 cast loads using 5.8g of AA-5 clocking around 800 out of a 4" M-19 and 850 fps out of a 6" M-686. I think those are right at the max range of current AA published data, so best to work up from a lower start load.
Last edited by 125JHP; 11-16-2011 at 10:18 PM.
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