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Rifles, Reloading, Optics, Equipment
Rifles, Bullets, Barrels & Ballistics
New 6mm Bullets? Where is the Love?
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<blockquote data-quote="RockyMtnMT" data-source="post: 1199080" data-attributes="member: 7999"><p>Are you after hunting or target bullets?</p><p></p><p>The biggest factor that dictates the availability for higher bc bullets for given calibers is the ability to stabilize them in the factory rifles that are out there. So many factory .243 cal rifles are 1-10" twist.</p><p></p><p>I think most rifle cartridges were designed for shooting 300y or less. As they designed different ones they used that 300y mark as the limit and made rifles that would get there faster and flatter. It was (and still is) about hitting your intended target without having to make any hold over adjustments.</p><p></p><p>It wasn't too long ago that nobody ever heard about twist rate. You just got bullets for your rifle and used them.</p><p></p><p>Here is a link to a resource that I use that will give an idea of what is out there.</p><p></p><p><a href="http://www.exteriorballistics.com/reference/pdf/Twist%20Tables_Rifle.pdf" target="_blank">http://www.exteriorballistics.com/reference/pdf/Twist Tables_Rifle.pdf</a></p><p></p><p>Steve</p></blockquote><p></p>
[QUOTE="RockyMtnMT, post: 1199080, member: 7999"] Are you after hunting or target bullets? The biggest factor that dictates the availability for higher bc bullets for given calibers is the ability to stabilize them in the factory rifles that are out there. So many factory .243 cal rifles are 1-10" twist. I think most rifle cartridges were designed for shooting 300y or less. As they designed different ones they used that 300y mark as the limit and made rifles that would get there faster and flatter. It was (and still is) about hitting your intended target without having to make any hold over adjustments. It wasn't too long ago that nobody ever heard about twist rate. You just got bullets for your rifle and used them. Here is a link to a resource that I use that will give an idea of what is out there. [url]http://www.exteriorballistics.com/reference/pdf/Twist%20Tables_Rifle.pdf[/url] Steve [/QUOTE]
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Rifles, Reloading, Optics, Equipment
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New 6mm Bullets? Where is the Love?
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