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Rifles, Reloading, Optics, Equipment
Reloading
Rate of twist
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<blockquote data-quote="CPorter" data-source="post: 88581" data-attributes="member: 4952"><p>For the same caliber and construction, the heavier the bullet the longer it is. For this reason most people associate the twist rate needed to stabilze a bullet with it's weight. This ain't always the case. I shoot .243 through a Rem 700 VLS with a 1:9.125 twist. This is good up to 100 grain bullets, of the old styles, ie: pointed soft point and round nose with short tips and lead cores. Bullets like the partition, grand slam, and VLD bullets don't work at that weight. They have a higher copper content and are generally longer. The larger area, particularly around the nose, produces more lift which needs more spin to counteract or the bullet tumbles. Some bullets are a lot heavier and shorter, those that have tungsten cores for instance, and these don't need the higher twist rate to stabilize.</p></blockquote><p></p>
[QUOTE="CPorter, post: 88581, member: 4952"] For the same caliber and construction, the heavier the bullet the longer it is. For this reason most people associate the twist rate needed to stabilze a bullet with it's weight. This ain't always the case. I shoot .243 through a Rem 700 VLS with a 1:9.125 twist. This is good up to 100 grain bullets, of the old styles, ie: pointed soft point and round nose with short tips and lead cores. Bullets like the partition, grand slam, and VLD bullets don't work at that weight. They have a higher copper content and are generally longer. The larger area, particularly around the nose, produces more lift which needs more spin to counteract or the bullet tumbles. Some bullets are a lot heavier and shorter, those that have tungsten cores for instance, and these don't need the higher twist rate to stabilize. [/QUOTE]
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Rate of twist
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