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Rifles, Reloading, Optics, Equipment
Rifles, Bullets, Barrels & Ballistics
6.5mm Craze? 264WM vs 6.5 SAUM vs 6.5 PRC?
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<blockquote data-quote="benchracer" data-source="post: 2466292" data-attributes="member: 22069"><p>I am not guessing. Nor am I underestimating the cartridge. I did the load work with a chrono and QL and careful measurements. With Retumbo and 140 VLD's, the center of the high accuracy node is around 3150 from a 26" barrel. There is plenty more throttle left, but not enough to reach the next higher node. Hornady AMAX's node center is around 3130. Node center with 140 Nosler Partitions is around 3100.</p><p></p><p>Brass was Nosler, 87.8 capacity. OAL's @ preferred seating depth were 3.330 (VLD), 3.320 (AMAX), and 3.245 (NPT).</p><p></p><p>More velocity could be had with RL-33, but couldn't get any accuracy out of it.</p><p></p><p>VV N570 would yield an accuracy node in the low 3200's, but not enough gain for me to chase it in a factory barrel.</p><p></p><p>Berger 156's would likely take full advantage of the available case capacity. Your results don't surprise me. I don't have the twist to run them.</p></blockquote><p></p>
[QUOTE="benchracer, post: 2466292, member: 22069"] I am not guessing. Nor am I underestimating the cartridge. I did the load work with a chrono and QL and careful measurements. With Retumbo and 140 VLD's, the center of the high accuracy node is around 3150 from a 26" barrel. There is plenty more throttle left, but not enough to reach the next higher node. Hornady AMAX's node center is around 3130. Node center with 140 Nosler Partitions is around 3100. Brass was Nosler, 87.8 capacity. OAL's @ preferred seating depth were 3.330 (VLD), 3.320 (AMAX), and 3.245 (NPT). More velocity could be had with RL-33, but couldn't get any accuracy out of it. VV N570 would yield an accuracy node in the low 3200's, but not enough gain for me to chase it in a factory barrel. Berger 156's would likely take full advantage of the available case capacity. Your results don't surprise me. I don't have the twist to run them. [/QUOTE]
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Rifles, Reloading, Optics, Equipment
Rifles, Bullets, Barrels & Ballistics
6.5mm Craze? 264WM vs 6.5 SAUM vs 6.5 PRC?
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