120 GMX at around 3075-3100 it will go a bit faster but accuracy suffers.
I might try some 129 Interbonds to see how they go.
I have only shot it off the bench so far.
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Hi Kiwi Greg what load are you using for your M7 with the 120grn I have a standard .260 Kimber that I want to use 120 ort 130 in and are thinking of AI it to speed it up a bit