Talk to Kiwi Greg. As above 180 eld or berger 180. 7mag 2900-3000ish give or take. Your barrel twist is boarder line and will show at distance more than close. Just because it's stable at 1000 doesn't mean it will be at a mile. 30 or 338 cal would be better. Comparing figures of energy etc isn't comparing apples with apples. 7mm doing over a 100fps faster and 45gn lighter bullet doesn't mark a steel plate that I use. A 30cal cal going slower with the heavier bullet both of the same construction puts holes in it. On paper nothing between them. In real world there certainly is. Like comparing a v8-v6 4cyl with the same hp and similar toque . Put a hill in front of them and see who runs out of puff first
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