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Rifles, Reloading, Optics, Equipment
Reloading
Best grain bullet for 300 RUM
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<blockquote data-quote="Varminator 911" data-source="post: 1494049" data-attributes="member: 9705"><p>The copper bullets must be accurate now days. Aren't they shooting a lot of them in very long range competition? If so that means they have both high bc and accuracy potential.</p><p></p><p>Surely someone will soon be making high bc copper hunting bullets. I haven't shot Badlands Precision 338 caliper super bulldozers but I know others are trying them. The 240 gn is 0.7 bc and the 270 gn 0.8. The owner told me he's redesigning the lineup for higher bc and even better terminal performance. The super bulldozers are copper with a long radius ogive, a good sized hollow point, and very pointed aluminum tip. The aluminum tip allows for a bigger hollow point for improved terminal performance at low speeds and much higher bc than an open point.</p><p></p><p>I'd think that type of bullet could be designed with better exterior and terminal ballistic performance than the current high bc Berger and Sierra lineup. Build the bullets as long as possible for a 7 twist, with a short bearing surface and very long pointed nose. In 7mm say about 140 grains with a very long radius ogive. Make the ogive long and pointed enough and a 0.8+ bc should be possible at that weight. The lower weight and short bearing surface should allow a 300-400 fps advantage over the 197 Sierra Matcking. Equal bc and much higher velocity equals much better performance.</p><p></p><p>Where is my thinking off base? Would those long nosed bullets not shoot well?</p></blockquote><p></p>
[QUOTE="Varminator 911, post: 1494049, member: 9705"] The copper bullets must be accurate now days. Aren't they shooting a lot of them in very long range competition? If so that means they have both high bc and accuracy potential. Surely someone will soon be making high bc copper hunting bullets. I haven't shot Badlands Precision 338 caliper super bulldozers but I know others are trying them. The 240 gn is 0.7 bc and the 270 gn 0.8. The owner told me he's redesigning the lineup for higher bc and even better terminal performance. The super bulldozers are copper with a long radius ogive, a good sized hollow point, and very pointed aluminum tip. The aluminum tip allows for a bigger hollow point for improved terminal performance at low speeds and much higher bc than an open point. I'd think that type of bullet could be designed with better exterior and terminal ballistic performance than the current high bc Berger and Sierra lineup. Build the bullets as long as possible for a 7 twist, with a short bearing surface and very long pointed nose. In 7mm say about 140 grains with a very long radius ogive. Make the ogive long and pointed enough and a 0.8+ bc should be possible at that weight. The lower weight and short bearing surface should allow a 300-400 fps advantage over the 197 Sierra Matcking. Equal bc and much higher velocity equals much better performance. Where is my thinking off base? Would those long nosed bullets not shoot well? [/QUOTE]
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Reloading
Best grain bullet for 300 RUM
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