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Rifles, Reloading, Optics, Equipment
Rifles, Bullets, Barrels & Ballistics
270 Sherman
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<blockquote data-quote="CogburnR" data-source="post: 770384" data-attributes="member: 29174"><p>It looks like the case capacity so far is about 9% greater than a fired case that has not been resized of the same batch of cases I made the fireformed 270 Sherman brass from. </p><p></p><p>I filled a formed case with a short dropper tube with 7828ssc and came up with 73.5g level full, the un-resized 270 case held about 67.5g of 7828ssc. That charge did not come to the neck in the Sherman case.</p><p></p><p>I have looked at quite a bit of loading data for 270 AI's and Gibbs' and it looks like a 9% increase in max loads may be close to where I end up if everything pans out. I will be starting with a max load for a 270 and going from there... </p><p></p><p>I will also probably be trying some H4831sc and RL17.</p></blockquote><p></p>
[QUOTE="CogburnR, post: 770384, member: 29174"] It looks like the case capacity so far is about 9% greater than a fired case that has not been resized of the same batch of cases I made the fireformed 270 Sherman brass from. I filled a formed case with a short dropper tube with 7828ssc and came up with 73.5g level full, the un-resized 270 case held about 67.5g of 7828ssc. That charge did not come to the neck in the Sherman case. I have looked at quite a bit of loading data for 270 AI's and Gibbs' and it looks like a 9% increase in max loads may be close to where I end up if everything pans out. I will be starting with a max load for a 270 and going from there... I will also probably be trying some H4831sc and RL17. [/QUOTE]
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Rifles, Reloading, Optics, Equipment
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270 Sherman
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