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Rifles, Reloading, Optics, Equipment
Rifles, Bullets, Barrels & Ballistics
Best twist for 300wsm/180 gr
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<blockquote data-quote="Bart B" data-source="post: 1888290" data-attributes="member: 5302"><p>The bullet's RPM rate plays a big part in the accuracy it has. Fast enough to keep it stable to the target but not so fast that tiny unbalanced ones won't jump off the bore axis when they leave.</p><p></p><p>Consider the 30-06 shooting 150 grain spitzer boattails at 3000 fps. A 1:13" twist is perfect.</p><p></p><p>I wish bullet makers would list 2 or 3 muzzle velocity band's and twists. Winchester and Frankfort arsenal was smart choosing a 1:12 twist for their 308 Win and 7.62 NATO shooting the same bullets the 30-06 uses leaving 100 fps slower. No wonder the 308 broke all the match records held by the 30-06 in the first two years in competition from 1964 to 1966.</p></blockquote><p></p>
[QUOTE="Bart B, post: 1888290, member: 5302"] The bullet's RPM rate plays a big part in the accuracy it has. Fast enough to keep it stable to the target but not so fast that tiny unbalanced ones won't jump off the bore axis when they leave. Consider the 30-06 shooting 150 grain spitzer boattails at 3000 fps. A 1:13" twist is perfect. I wish bullet makers would list 2 or 3 muzzle velocity band's and twists. Winchester and Frankfort arsenal was smart choosing a 1:12 twist for their 308 Win and 7.62 NATO shooting the same bullets the 30-06 uses leaving 100 fps slower. No wonder the 308 broke all the match records held by the 30-06 in the first two years in competition from 1964 to 1966. [/QUOTE]
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Rifles, Reloading, Optics, Equipment
Rifles, Bullets, Barrels & Ballistics
Best twist for 300wsm/180 gr
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