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Hunting
Long Range Hunting & Shooting
The 27 Nosler, it's official!
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<blockquote data-quote="David Emerson" data-source="post: 1828416" data-attributes="member: 112579"><p>I am not a believer in magic guns. If you are getting those speeds it tells me you are running high pressure. I have a 7stw I got 3500 with a 160. Once!! I chronoed and cut the charge. I know from experience a 308 norma and the 300 win are not 300 weatherby. With a 27 inch lilja Iam getting 3150 with a 200gr bullet. And that is with one powder only.A factory 300 rum with a 26 with the best powder by noslers book went 3025 with a 200gr. I have seen 150fps increase by changing a factory barrel to a custom barrel because the smoothness and tolerance betterment. As far as the nosler case compared to belted it is fatter so of course has more volume per length all else being equal. I am no ballistician but your saying a 210 lights the powder slower to alter the pressure curve? Doubtful. The 210 is one the hottest non magnum primers there is and is best in cold weather of the non magnum primers. Once the powder lights it is milliseconds to the bullet gone from the barrel. The job of the primer is to light it consistently . Remington and CCI are thermal primers. Federal blasts a white hot charge of particles to actually penetrate the powder kernels. The Winchester primers use a mix of both. The pressure data I have seen is the Winchester magnum is the hottest primer of all.</p></blockquote><p></p>
[QUOTE="David Emerson, post: 1828416, member: 112579"] I am not a believer in magic guns. If you are getting those speeds it tells me you are running high pressure. I have a 7stw I got 3500 with a 160. Once!! I chronoed and cut the charge. I know from experience a 308 norma and the 300 win are not 300 weatherby. With a 27 inch lilja Iam getting 3150 with a 200gr bullet. And that is with one powder only.A factory 300 rum with a 26 with the best powder by noslers book went 3025 with a 200gr. I have seen 150fps increase by changing a factory barrel to a custom barrel because the smoothness and tolerance betterment. As far as the nosler case compared to belted it is fatter so of course has more volume per length all else being equal. I am no ballistician but your saying a 210 lights the powder slower to alter the pressure curve? Doubtful. The 210 is one the hottest non magnum primers there is and is best in cold weather of the non magnum primers. Once the powder lights it is milliseconds to the bullet gone from the barrel. The job of the primer is to light it consistently . Remington and CCI are thermal primers. Federal blasts a white hot charge of particles to actually penetrate the powder kernels. The Winchester primers use a mix of both. The pressure data I have seen is the Winchester magnum is the hottest primer of all. [/QUOTE]
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The 27 Nosler, it's official!
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