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Rifles, Reloading, Optics, Equipment
Reloading
Lapua brass
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<blockquote data-quote="J E Custom" data-source="post: 1520825" data-attributes="member: 2736"><p>I prefer neck turning new brass to get it the thickness you want before firing it the first time. This makes it very uniform and easy to select the best bushing for proper sizing.</p><p></p><p>First measure the neck of a fired case to dimension the neck chamber. Then add the bullet diameter + the amount of neck tension you want. (Normally .002 to .003 thousandths) and compare that dimension to the fired case neck. This will tell you how much neck wall thickness it will take to give the case .004 to .005 Thousandths to expand and release the bullet. </p><p></p><p>Armed with this information, follow the instructions by the die maker on selecting proper bushing diameter.</p><p></p><p>J E CUSTOM</p></blockquote><p></p>
[QUOTE="J E Custom, post: 1520825, member: 2736"] I prefer neck turning new brass to get it the thickness you want before firing it the first time. This makes it very uniform and easy to select the best bushing for proper sizing. First measure the neck of a fired case to dimension the neck chamber. Then add the bullet diameter + the amount of neck tension you want. (Normally .002 to .003 thousandths) and compare that dimension to the fired case neck. This will tell you how much neck wall thickness it will take to give the case .004 to .005 Thousandths to expand and release the bullet. Armed with this information, follow the instructions by the die maker on selecting proper bushing diameter. J E CUSTOM [/QUOTE]
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Rifles, Reloading, Optics, Equipment
Reloading
Lapua brass
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