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Rifles, Reloading, Optics, Equipment
Rifles, Bullets, Barrels & Ballistics
6.5 SLR vs 6.5x47 Lapua
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<blockquote data-quote="DocDoc" data-source="post: 989066" data-attributes="member: 69144"><p>70,000 psi plus??? And barrel life like a 6.5-06? I would sure like to see the real pressure to get 3000 fps from 6.5 x 47 with a 140 Berger and what barrel length?</p><p></p><p>There are diminishing returns with increasing case capacity, but that is the only way to get more velocity.</p><p></p><p>I would like to see 6.5 x 47 in a barrel, say 26 in loaded to a given pressure level, say 60,000 psi, then rechambered to 6.5-06 and run to the same pressure level. I bet you get an increase in max velocity. I see something similar with RL 17. 100-150 fps gain, but when you look at the pressure, when listed, it is 10,000 psi higher for RL 17.</p></blockquote><p></p>
[QUOTE="DocDoc, post: 989066, member: 69144"] 70,000 psi plus??? And barrel life like a 6.5-06? I would sure like to see the real pressure to get 3000 fps from 6.5 x 47 with a 140 Berger and what barrel length? There are diminishing returns with increasing case capacity, but that is the only way to get more velocity. I would like to see 6.5 x 47 in a barrel, say 26 in loaded to a given pressure level, say 60,000 psi, then rechambered to 6.5-06 and run to the same pressure level. I bet you get an increase in max velocity. I see something similar with RL 17. 100-150 fps gain, but when you look at the pressure, when listed, it is 10,000 psi higher for RL 17. [/QUOTE]
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Rifles, Reloading, Optics, Equipment
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6.5 SLR vs 6.5x47 Lapua
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