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Rifles, Reloading, Optics, Equipment
Rifles, Bullets, Barrels & Ballistics
Recommend 7mm-300wm or 7mm Valkyrie
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<blockquote data-quote="fmajor" data-source="post: 1038505" data-attributes="member: 20646"><p>I'm not wanting to derail the thread and I hope my question is in keeping with the topic, but I notice a lot of anticipation for the Berger 7mm 195gr bullet. </p><p> </p><p>Why? </p><p> </p><p>Aside from<span style="font-size: 15px"> obviously</span> increasing BC - could there be any unforeseen drawbacks to such a long projectile?</p><p> </p><p>I was reading somewhere here (I recall Kirby Allen was a participant in the thread among other experienced shooters) about extensive testing with super heavy .30 cal bullets - 240gr (iirc). </p><p> </p><p>The problem encountered by Kirby and the fella who owned some precision bullet company was that the bullets were so long - too long - that the jacket/core was engaging the lands before the bullet cleared the case. This caused the bullet jacket/core to twist; deforming and ultimately destroying the projectile rendering it useless.</p><p> </p><p>Could this be something that limits the 195gr 7mm bullet?</p><p> </p><p>At what ratio is caliber to projectile length (as a necessary means to achieve weight) in order to maximize BC reached?</p><p> </p><p>Again, apologies if this is too far off-topic.....</p></blockquote><p></p>
[QUOTE="fmajor, post: 1038505, member: 20646"] I'm not wanting to derail the thread and I hope my question is in keeping with the topic, but I notice a lot of anticipation for the Berger 7mm 195gr bullet. Why? Aside from[SIZE=4] obviously[/SIZE] increasing BC - could there be any unforeseen drawbacks to such a long projectile? I was reading somewhere here (I recall Kirby Allen was a participant in the thread among other experienced shooters) about extensive testing with super heavy .30 cal bullets - 240gr (iirc). The problem encountered by Kirby and the fella who owned some precision bullet company was that the bullets were so long - too long - that the jacket/core was engaging the lands before the bullet cleared the case. This caused the bullet jacket/core to twist; deforming and ultimately destroying the projectile rendering it useless. Could this be something that limits the 195gr 7mm bullet? At what ratio is caliber to projectile length (as a necessary means to achieve weight) in order to maximize BC reached? Again, apologies if this is too far off-topic..... [/QUOTE]
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Rifles, Reloading, Optics, Equipment
Rifles, Bullets, Barrels & Ballistics
Recommend 7mm-300wm or 7mm Valkyrie
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