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Rifles, Reloading, Optics, Equipment
Rifles, Bullets, Barrels & Ballistics
.223 varmint bullet, 1-9 twist, will it fail?
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<blockquote data-quote="Trickymissfit" data-source="post: 582242" data-attributes="member: 25383"><p>there are bullets that will come apart in fast twist barrels as well as being driven way too fast in a moderate twist barrel. The old TNT and SX bullets from Speer & Hornaday come to mind (I have had the explode in mid air). But bullets like the Vmax and others are fine to shoot in a fast twist barrel. I well remember shooting bullets in one of my 6mm's that literally exploded going thru plain old card board. </p><p> </p><p>I've found that a 12 twist will handle most anything under a .3 B/C, but think an 1:11 would be better. A typical 1:14 twist is going to shoot 55 grain Vmax bullets just fine, but may often not work well with a 55 grain BT from Nosler. I thought my barrel just didn't like them till I found out that most guys were having the same problem due to an increased B/C. A few weeks back I shot a .223 in 1:10 twist. It will shoot 60 grain Hornadays all day long, but doubt it'd shoot the 69 grain bullet. Yet he same rifle (an AR15) shot 55 grain Vmax bullets in the sixes just like clock work with really nice round holes. I think the groups will open up with 50 grain Vmax bullets, but not a lot.</p><p>gary</p></blockquote><p></p>
[QUOTE="Trickymissfit, post: 582242, member: 25383"] there are bullets that will come apart in fast twist barrels as well as being driven way too fast in a moderate twist barrel. The old TNT and SX bullets from Speer & Hornaday come to mind (I have had the explode in mid air). But bullets like the Vmax and others are fine to shoot in a fast twist barrel. I well remember shooting bullets in one of my 6mm's that literally exploded going thru plain old card board. I've found that a 12 twist will handle most anything under a .3 B/C, but think an 1:11 would be better. A typical 1:14 twist is going to shoot 55 grain Vmax bullets just fine, but may often not work well with a 55 grain BT from Nosler. I thought my barrel just didn't like them till I found out that most guys were having the same problem due to an increased B/C. A few weeks back I shot a .223 in 1:10 twist. It will shoot 60 grain Hornadays all day long, but doubt it'd shoot the 69 grain bullet. Yet he same rifle (an AR15) shot 55 grain Vmax bullets in the sixes just like clock work with really nice round holes. I think the groups will open up with 50 grain Vmax bullets, but not a lot. gary [/QUOTE]
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Rifles, Reloading, Optics, Equipment
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.223 varmint bullet, 1-9 twist, will it fail?
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