This round but they seem to be rather underpowered or understated when you look at similar loads by weight of bullet and powder for the 310GNR or the 338GNR. Similar loads in these 2 cartridges run 400 to 250fps faster. As the book said this was under development at the time of writing is there new updated data available. I am starting with 150 grain Hornady bullets. Your help is appreciated.
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Another lad question, 8MM GNR. The red book lists loads for
- Tom S, 2019-01-26, 15:12
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- Sean is your man here, he shoots a 150- 2600 fps - WB, 2019-01-26, 15:27