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Rifles, Reloading, Optics, Equipment
Rifles, Bullets, Barrels & Ballistics
264 win mag
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<blockquote data-quote="CONatureBoy" data-source="post: 2201602" data-attributes="member: 118769"><p>[ATTACH=full]275279[/ATTACH]</p><p></p><p>That is, QuickLoad predicts a 6.5 PRC with a 26" barrel will shoot a 140-grain Berger VLD at 3,177 fps. Here are the numbers for the same bullet, same powder, same barrel in the 264 Win Mag:</p><p></p><p>[ATTACH=full]275280[/ATTACH]</p><p></p><p>That's 3,164 fps with about four grains less powder, making the PRC every so slightly faster and notably more efficient. Compare instead the Berger 156-grain, same powder, and the predicted velocities are 2,999 fps and 3,008 fps. Hornady's reloading manual reports (<a href="https://press.hornady.com/assets/site/hornady/files/load-data/6.5-prc-v2.pdf" target="_blank">https://press.hornady.com/assets/site/hornady/files/load-data/6.5-prc-v2.pdf</a>) maximum velocities of 3,150 fps and 3,050 fps for (respectively) the 143-grain ELD-X and the 147-grain ELD Match bullets (again with a 26" barrel). Those numbers are very consistent with QuickLoad's predictions above.</p><p></p><p>Hornady engineered the PRCs with fast-twist-rate barrels (1:8" in the 6.5) and chambers contoured for heavy-for-caliber bullets, so these calibers would be ideal for long-range shooting "out of the box." </p><p></p><p>On what basis would you say that the 6.5 PRC is "not even close" to the 264?</p></blockquote><p></p>
[QUOTE="CONatureBoy, post: 2201602, member: 118769"] [ATTACH type="full" alt="1621572224666.png"]275279[/ATTACH] That is, QuickLoad predicts a 6.5 PRC with a 26" barrel will shoot a 140-grain Berger VLD at 3,177 fps. Here are the numbers for the same bullet, same powder, same barrel in the 264 Win Mag: [ATTACH type="full" alt="1621572430371.png"]275280[/ATTACH] That's 3,164 fps with about four grains less powder, making the PRC every so slightly faster and notably more efficient. Compare instead the Berger 156-grain, same powder, and the predicted velocities are 2,999 fps and 3,008 fps. Hornady's reloading manual reports ([URL]https://press.hornady.com/assets/site/hornady/files/load-data/6.5-prc-v2.pdf[/URL]) maximum velocities of 3,150 fps and 3,050 fps for (respectively) the 143-grain ELD-X and the 147-grain ELD Match bullets (again with a 26" barrel). Those numbers are very consistent with QuickLoad's predictions above. Hornady engineered the PRCs with fast-twist-rate barrels (1:8" in the 6.5) and chambers contoured for heavy-for-caliber bullets, so these calibers would be ideal for long-range shooting "out of the box." On what basis would you say that the 6.5 PRC is "not even close" to the 264? [/QUOTE]
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