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Rifles, Reloading, Optics, Equipment
Rifles, Bullets, Barrels & Ballistics
Badlands Precision Bullets thread - From BC to terminal ballistics
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<blockquote data-quote="codyadams" data-source="post: 2150399" data-attributes="member: 87243"><p>Ok, took a bit to get around to it, but I got some of the 250 SBDII's loaded up for the .338 Norma. They are gonna be seated at .025" off, which comes out to 3.681" in my standard throated chamber with a couple hundred rounds down it. I'm gonna test out N570 and N565. Going off of data from several references and my own experience, I decided to work from 91 up to 97 grains of N570, I doubt I will get to 97 grains before I hit my max, which I plan on stopping around 2900, but even if I do, using my 6" drop tube I can still hear powder moving around in the case, so it is not compressed. N570 reacts really well to drop tubes, the kernels are dang near the size of bullet ants ha ha. I will probably not finish the N565 work up either, as I went from 86 up to 92.5 grains. But whenever I hit my velocity max, I'll just pull the rest. Should be fun!!</p><p></p><p>Seated .025 off, 3.681" OAL</p><p>[ATTACH=full]261000[/ATTACH]</p><p></p><p>What 97 grains of N570 looks like in Peterson brass after a 6" drop tube</p><p>[ATTACH=full]261001[/ATTACH]</p><p></p><p>Ready to rock doc!!</p><p>[ATTACH=full]261002[/ATTACH]</p></blockquote><p></p>
[QUOTE="codyadams, post: 2150399, member: 87243"] Ok, took a bit to get around to it, but I got some of the 250 SBDII's loaded up for the .338 Norma. They are gonna be seated at .025" off, which comes out to 3.681" in my standard throated chamber with a couple hundred rounds down it. I'm gonna test out N570 and N565. Going off of data from several references and my own experience, I decided to work from 91 up to 97 grains of N570, I doubt I will get to 97 grains before I hit my max, which I plan on stopping around 2900, but even if I do, using my 6" drop tube I can still hear powder moving around in the case, so it is not compressed. N570 reacts really well to drop tubes, the kernels are dang near the size of bullet ants ha ha. I will probably not finish the N565 work up either, as I went from 86 up to 92.5 grains. But whenever I hit my velocity max, I'll just pull the rest. Should be fun!! Seated .025 off, 3.681" OAL [ATTACH=full]261000[/ATTACH] What 97 grains of N570 looks like in Peterson brass after a 6" drop tube [ATTACH=full]261001[/ATTACH] Ready to rock doc!! [ATTACH=full]261002[/ATTACH] [/QUOTE]
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Badlands Precision Bullets thread - From BC to terminal ballistics
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