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Rifles, Reloading, Optics, Equipment
Rifles, Bullets, Barrels & Ballistics
Twist rate for .270 WSM and 150-160 gr bullets
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<blockquote data-quote="Fiftydriver" data-source="post: 234119" data-attributes="member: 10"><p>Depends on what bullet design your using. IF its the conventional 160 gr bullets such as the 160 gr Partition, the 1-10 would be fine but if your using a custom boat tail design, a 1-9 would be best.</p><p> </p><p>In reality, one should look at the 270 as the same as a 7mm so what is needed for a 160 gr 7mm in twist would be right for a 160 gr 270. As we know, 1-9 is standard for the 7mm, that may be your best choice if your using a barrel maker that can get you an unconventional twist with not alot of extra cost.</p></blockquote><p></p>
[QUOTE="Fiftydriver, post: 234119, member: 10"] Depends on what bullet design your using. IF its the conventional 160 gr bullets such as the 160 gr Partition, the 1-10 would be fine but if your using a custom boat tail design, a 1-9 would be best. In reality, one should look at the 270 as the same as a 7mm so what is needed for a 160 gr 7mm in twist would be right for a 160 gr 270. As we know, 1-9 is standard for the 7mm, that may be your best choice if your using a barrel maker that can get you an unconventional twist with not alot of extra cost. [/QUOTE]
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Rifles, Reloading, Optics, Equipment
Rifles, Bullets, Barrels & Ballistics
Twist rate for .270 WSM and 150-160 gr bullets
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