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Rifles, Reloading, Optics, Equipment
Rifles, Bullets, Barrels & Ballistics
7mm-300 Norma Improved?
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<blockquote data-quote="highdrum" data-source="post: 2555086" data-attributes="member: 13732"><p>300nmi with 215s to 245s with the speeds lost as you gain mass of bullet, they all run very similar in the wind. 215s at 3100, 230s ar 3000, 245s at 2900 all very close in wind drift. Of course the lighter faster bullets will drop less out to 1k yards. 195 bergers ran over 3k fps is a really magical thing ballistically. There's a wall around 88gr on the 7mm, cross that in case capacity and they burn barrel pretty fast. If all out laser beam trajectory is your goal, a 7-300 Norma would do the trick. It'll be between 28N and 7 rum barrel life, around 7-800 rounds.</p></blockquote><p></p>
[QUOTE="highdrum, post: 2555086, member: 13732"] 300nmi with 215s to 245s with the speeds lost as you gain mass of bullet, they all run very similar in the wind. 215s at 3100, 230s ar 3000, 245s at 2900 all very close in wind drift. Of course the lighter faster bullets will drop less out to 1k yards. 195 bergers ran over 3k fps is a really magical thing ballistically. There's a wall around 88gr on the 7mm, cross that in case capacity and they burn barrel pretty fast. If all out laser beam trajectory is your goal, a 7-300 Norma would do the trick. It'll be between 28N and 7 rum barrel life, around 7-800 rounds. [/QUOTE]
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Rifles, Reloading, Optics, Equipment
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7mm-300 Norma Improved?
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