I have been working on loads for my 110 in 300 WM, so far I have tried 180 gr Sierra pro hunter bullets with flat bases and 180 gr Sierra gamekings with boat tails with Imr 7828 and H- 4831 powders. I have had my best results with the 4831 and pro hunters, so far I have worked up to 73.5 grains, I usually get the first 2 rounds touching and the 3rd will go about an inch high, i am guessing due to barrel heat since that skinny sporter barrel heats up fast.
Mike
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