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Rifles, Reloading, Optics, Equipment
Reloading
RL33 vs N570 (temp sensitivity)
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<blockquote data-quote="J E Custom" data-source="post: 1331486" data-attributes="member: 2736"><p>Saw this and thought I would comment on VV N570 powder.</p><p>While testing N570 in the 338 Texan, we found that n 570 was very well suited to the Texans powder capacity and very stable.</p><p></p><p>In the post attached is our results and the powder performed better than we though/hoped it would. the downside is the powder is expensive compared to other powders but the results out weigh the cost.</p><p></p><p>Testing the 300 grain velocity fell near the maximum velocity that the bullet could stand (3150 ft/sec) but the barrel contour was to light for such an intense bullet/powder combination and accuracy was poor. velocity was 3300 ft/sec with 250 grain bullets and accuracy was very good in the light weight barrel.</p><p></p><p>I have found that VV N570 is my powder of choice in the Texans and pressures are held to 62,000 to 63,000 Psi to make everything last with very good velocities.</p><p></p><p>Attached is the post that may help explain/preview the powder better.</p><p>If you read the entire post you can see the progression of the testing as it was. </p><p> <a href="http://www.longrangehunting.com/threads/introducing-the-338-texan.155707/page-3" target="_blank">http://www.longrangehunting.com/threads/introducing-the-338-texan.155707/page-3</a></p><p></p><p>J E CUSTOM</p></blockquote><p></p>
[QUOTE="J E Custom, post: 1331486, member: 2736"] Saw this and thought I would comment on VV N570 powder. While testing N570 in the 338 Texan, we found that n 570 was very well suited to the Texans powder capacity and very stable. In the post attached is our results and the powder performed better than we though/hoped it would. the downside is the powder is expensive compared to other powders but the results out weigh the cost. Testing the 300 grain velocity fell near the maximum velocity that the bullet could stand (3150 ft/sec) but the barrel contour was to light for such an intense bullet/powder combination and accuracy was poor. velocity was 3300 ft/sec with 250 grain bullets and accuracy was very good in the light weight barrel. I have found that VV N570 is my powder of choice in the Texans and pressures are held to 62,000 to 63,000 Psi to make everything last with very good velocities. Attached is the post that may help explain/preview the powder better. If you read the entire post you can see the progression of the testing as it was. [URL]http://www.longrangehunting.com/threads/introducing-the-338-texan.155707/page-3[/URL] J E CUSTOM [/QUOTE]
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Rifles, Reloading, Optics, Equipment
Reloading
RL33 vs N570 (temp sensitivity)
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