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Rifles, Reloading, Optics, Equipment
Reloading
fire forming 280ai or 6.5-280ai brass from 270?
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<blockquote data-quote="Jamie6.5" data-source="post: 373124" data-attributes="member: 16954"><p>Regardless of the fireforming method you choose, .280 from .270 requires you to make a false shoulder first by necking up to .30 cal (.308) with an 0-6 die. Then resize down the neck the proper distance with your .280 die, leaving a "donut" at the height specified for the neck/shoulder juncture of the .280AI case.</p><p>This will cause the case to headspace on the donut when fire forming.</p><p>If these are older/many fired .270 cases I would anneal them first.</p><p></p><p>Since 6.5 is smaller than .270 you should be able to resize partway down the neck with a 6.5 die, leaving the same "donut" above the .270 shoulder. </p><p></p><p>Good luck!</p></blockquote><p></p>
[QUOTE="Jamie6.5, post: 373124, member: 16954"] Regardless of the fireforming method you choose, .280 from .270 requires you to make a false shoulder first by necking up to .30 cal (.308) with an 0-6 die. Then resize down the neck the proper distance with your .280 die, leaving a "donut" at the height specified for the neck/shoulder juncture of the .280AI case. This will cause the case to headspace on the donut when fire forming. If these are older/many fired .270 cases I would anneal them first. Since 6.5 is smaller than .270 you should be able to resize partway down the neck with a 6.5 die, leaving the same "donut" above the .270 shoulder. Good luck! [/QUOTE]
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Rifles, Reloading, Optics, Equipment
Reloading
fire forming 280ai or 6.5-280ai brass from 270?
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