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Rifles, Reloading, Optics, Equipment
Rifles, Bullets, Barrels & Ballistics
6.5 mm cartridge family is growing
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<blockquote data-quote="benchracer" data-source="post: 974595" data-attributes="member: 22069"><p>The short answer is: It's not. Neither is the .260 Remington nor the 6.5x47 Lapua. Unless you are trying to make them fit a short action or unless you participate in a discipline where the winner is determined with a micrometer.</p><p> </p><p>The truth of the matter is, virtually without exception, every "modern" cartridge is based on something originally designed in the late 19th or early 20th century. It may be shortened, have less taper, a modified shoulder, or whatever magic pixie dust is currently in fashion. </p><p> </p><p>The cartridges themselves, and the rifles that fire them, have comparatively been changed or improved very little in more than a hundred years. The real improvements have come from advances in materials, propellants, bullets, better instrumentation, and the ability to manufacture things to closer tolerances (though this ability seems to be chiefly exploited in the aftermarket and custom realm). The "old" cartridges have benefitted from the same advances as the "new" cartridges. It's just that no one buys media space to promote them.</p><p> </p><p>Where the Swede is concerned, I only have experience with the standard version, but an AI version exists that is, supposedly, a virtual ballistic twin to the 6.5-284, but burns less powder and is kinder to chamber throats. Incidentally, just about everything I stated about the Swede applies equally to the 7x57 and the 7x57 AI.</p></blockquote><p></p>
[QUOTE="benchracer, post: 974595, member: 22069"] The short answer is: It's not. Neither is the .260 Remington nor the 6.5x47 Lapua. Unless you are trying to make them fit a short action or unless you participate in a discipline where the winner is determined with a micrometer. The truth of the matter is, virtually without exception, every "modern" cartridge is based on something originally designed in the late 19th or early 20th century. It may be shortened, have less taper, a modified shoulder, or whatever magic pixie dust is currently in fashion. The cartridges themselves, and the rifles that fire them, have comparatively been changed or improved very little in more than a hundred years. The real improvements have come from advances in materials, propellants, bullets, better instrumentation, and the ability to manufacture things to closer tolerances (though this ability seems to be chiefly exploited in the aftermarket and custom realm). The "old" cartridges have benefitted from the same advances as the "new" cartridges. It's just that no one buys media space to promote them. Where the Swede is concerned, I only have experience with the standard version, but an AI version exists that is, supposedly, a virtual ballistic twin to the 6.5-284, but burns less powder and is kinder to chamber throats. Incidentally, just about everything I stated about the Swede applies equally to the 7x57 and the 7x57 AI. [/QUOTE]
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6.5 mm cartridge family is growing
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