http://www.6mmbr.citymaker.com/f/Sierra308Win.pdf
The Sierra list the max load as 44.8 using Varget powder. I think I am safe stating my favorite load is 44.9 and backing off the lands .015. This is my gun, above is the link to the Sierra reloading manual for 308's. You might start off lower and work up to the max load! Your perfect range might be around 40.0grns.
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