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Rifles, Reloading, Optics, Equipment
Reloading
Necking down lapua cases
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<blockquote data-quote="J E Custom" data-source="post: 682995" data-attributes="member: 2736"><p>No !</p><p></p><p>The Lapua cases are annealed and size down very easy. I have done this many times and the </p><p>only thing that I found was that the Hornady New dimension dies seemed to work the best</p><p>when down sizing the necks. I use the Redding bushing dies for loading.</p><p></p><p>The 308 cases are .020 shorter than the 7/08 overall and the body of the 308 is .039 thousandths</p><p>shorter than the body of the 7/08 so when sizing, neck only the front of the neck to a body length </p><p>of 1.750 leaving a donut at the base of the neck and it will headspace on this "donut" and fire form </p><p>perfectly.</p><p></p><p>The fact that the 308 cases are .020 thousandths shorter means that you should not have to trim</p><p>the case for chamber clearance.</p><p></p><p>Be sure and check the clearance of a loaded round against a fired case for at least .003 to .004.</p><p>clearance (Some thickening may occur.</p><p></p><p>J E CUSTOM</p></blockquote><p></p>
[QUOTE="J E Custom, post: 682995, member: 2736"] No ! The Lapua cases are annealed and size down very easy. I have done this many times and the only thing that I found was that the Hornady New dimension dies seemed to work the best when down sizing the necks. I use the Redding bushing dies for loading. The 308 cases are .020 shorter than the 7/08 overall and the body of the 308 is .039 thousandths shorter than the body of the 7/08 so when sizing, neck only the front of the neck to a body length of 1.750 leaving a donut at the base of the neck and it will headspace on this "donut" and fire form perfectly. The fact that the 308 cases are .020 thousandths shorter means that you should not have to trim the case for chamber clearance. Be sure and check the clearance of a loaded round against a fired case for at least .003 to .004. clearance (Some thickening may occur. J E CUSTOM [/QUOTE]
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Reloading
Necking down lapua cases
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