Thanks guys - N560 tis all I have to play with at the moment. Will give it a go at the range this weekend with a starting point >10 grains lower than I have been loading up the Amax and increase in .5gn increments and see how I get on.
N560 did get the 162's moving - 3150 before I had the barrel cut back to 22" and a DPT added, this saw a drop back to 3100. But those loads no longer relevant cause they too hot using a new batch of powder. Those 175's have much longer bearing surface than the old AMax so caution would seem to be a good idea.
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