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Hunting
Long Range Hunting & Shooting
Too fast a rifle barrel twist?
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<blockquote data-quote="MagnumManiac" data-source="post: 1695398" data-attributes="member: 10755"><p>Have no info for you regarding what's best for your 7WSM, but rarely is there such a thing as 'too fast' a twist.</p><p>It is true that a lightly structured bullet may be spun so fast that either the core spins inside the jacket or rotational forces cause the bullet to break up, it is more to do with bullet structure than the actual spin rate.</p><p></p><p>I would use the fast twist regardless, I use 1:8" for my 6.5's, this is fast, but not so fast that bullets break up. I do not use bullets lighter than 129gr in it, so bullet selection is key.</p><p></p><p>Cheers.</p></blockquote><p></p>
[QUOTE="MagnumManiac, post: 1695398, member: 10755"] Have no info for you regarding what's best for your 7WSM, but rarely is there such a thing as 'too fast' a twist. It is true that a lightly structured bullet may be spun so fast that either the core spins inside the jacket or rotational forces cause the bullet to break up, it is more to do with bullet structure than the actual spin rate. I would use the fast twist regardless, I use 1:8" for my 6.5's, this is fast, but not so fast that bullets break up. I do not use bullets lighter than 129gr in it, so bullet selection is key. Cheers. [/QUOTE]
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Too fast a rifle barrel twist?
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