If you switch to a faster powder, you will not have the smoky residue from the powder not burning at the design pressure and temperature.
62 grains of W-760 will give you 2800 fps and 52,000 psi, and will burn clean.
If you looks around, I'm sure you can find other combinations that will serve you better than AA8700.
180 760 .308" 3.285" 58.0 2722 48,200 CUP 62.0 2845 52,300 CUP
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