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Rifles, Reloading, Optics, Equipment
Rifles, Bullets, Barrels & Ballistics
1:8,7" twist in a 20" barrel
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<blockquote data-quote="Kevin Thomas" data-source="post: 753456" data-attributes="member: 15748"><p>aammat,</p><p> </p><p>It's a metric twist, the 1x8.7" is merely what it comes out to in Imperial units. I've never seen one in a 30 cal, but that (1x8.7") was the standard twist in the 6.5x55 Sauer 202 barrels that I've used in testing. I've gone through a couple dozen of these (literally) over the years, and never had a one that wasn't an absolute tack-driver. </p><p> </p><p>As far as the 30 cal twist, the extra spin won't cause you a bit of trouble. Too little spin, major problems. But spinning them faster than needed merely results in a higher stability factor, and no other problems. Don't sweat it, you're good to go.</p></blockquote><p></p>
[QUOTE="Kevin Thomas, post: 753456, member: 15748"] aammat, It's a metric twist, the 1x8.7" is merely what it comes out to in Imperial units. I've never seen one in a 30 cal, but that (1x8.7") was the standard twist in the 6.5x55 Sauer 202 barrels that I've used in testing. I've gone through a couple dozen of these (literally) over the years, and never had a one that wasn't an absolute tack-driver. As far as the 30 cal twist, the extra spin won't cause you a bit of trouble. Too little spin, major problems. But spinning them faster than needed merely results in a higher stability factor, and no other problems. Don't sweat it, you're good to go. [/QUOTE]
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Rifles, Reloading, Optics, Equipment
Rifles, Bullets, Barrels & Ballistics
1:8,7" twist in a 20" barrel
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