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Rifles, Reloading, Optics, Equipment
Rifles, Bullets, Barrels & Ballistics
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<blockquote data-quote="adam" data-source="post: 1815786" data-attributes="member: 9382"><p>Nailed it. 170 gr+ in the .270's, 180 gr+ in the 7mm's and 230gr in the 30 cals to get similar BC profiles. With the correct twist you can get a 7mm 180 eld to a published .810+ bc</p><p></p><p>In a 30 cal 230 gr would make me want to go up to the lapua sized case to burn slower powders....then I'm like why not 338 since I'm already at the $$$$.$$ level?</p><p></p><p>launch dynamics in the Magnums is a big deal to accuracy. Your form needs to be really good with big bullets and "fast" powder...there is a sweet spot for each caliber.</p></blockquote><p></p>
[QUOTE="adam, post: 1815786, member: 9382"] Nailed it. 170 gr+ in the .270’s, 180 gr+ in the 7mm’s and 230gr in the 30 cals to get similar BC profiles. With the correct twist you can get a 7mm 180 eld to a published .810+ bc In a 30 cal 230 gr would make me want to go up to the lapua sized case to burn slower powders....then I’m like why not 338 since I’m already at the $$$$.$$ level? launch dynamics in the Magnums is a big deal to accuracy. Your form needs to be really good with big bullets and “fast” powder...there is a sweet spot for each caliber. [/QUOTE]
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