When I worked up a load for my 308 with 150 grain interlocks I got really sticky bolt lift at 44 grains of 2208. But this was over 20 years ago, and the listed loads for 2208 are quite different from what they used to be when comparing the ADI website to Nick Harvey's first edition. I suspect the powder has changed over the years, or maybe it is more consistent/stable now.
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