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Rifles, Reloading, Optics, Equipment
Rifles, Bullets, Barrels & Ballistics
270 WBY Mag to ?
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<blockquote data-quote="Long Time Long Ranger" data-source="post: 528713" data-attributes="member: 505"><p>Look at the bullet makers suggestions to start with and then just experience. Dan Lilja put up some good info on his website about 10-12 years ago and if it is still there look at it. You can shoot different twists with different velocities with the same bullet. That is where the experience comes in with a particular cartridge. My 264 STW with all that velocity will stabilize the 140 berger with a 1-9 twist five groove. Berger recomends a 1-8 I think. Just depends on the velocity and how far you want to shoot and keep the bullet stable as it nears the speed of sound. For best results always use the minimum twist needed to stabilize the bullet in your particular chambering. Faster cartridges can get by with less twist therefore not destroying bullets as bad. I am in Thermopolis. Look me up if you get out this way. Best place to visit after a long hunt and soak in the worlds largest mineral hot springs. Sure makes the joints and muscles feel better.</p></blockquote><p></p>
[QUOTE="Long Time Long Ranger, post: 528713, member: 505"] Look at the bullet makers suggestions to start with and then just experience. Dan Lilja put up some good info on his website about 10-12 years ago and if it is still there look at it. You can shoot different twists with different velocities with the same bullet. That is where the experience comes in with a particular cartridge. My 264 STW with all that velocity will stabilize the 140 berger with a 1-9 twist five groove. Berger recomends a 1-8 I think. Just depends on the velocity and how far you want to shoot and keep the bullet stable as it nears the speed of sound. For best results always use the minimum twist needed to stabilize the bullet in your particular chambering. Faster cartridges can get by with less twist therefore not destroying bullets as bad. I am in Thermopolis. Look me up if you get out this way. Best place to visit after a long hunt and soak in the worlds largest mineral hot springs. Sure makes the joints and muscles feel better. [/QUOTE]
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270 WBY Mag to ?
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