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Rifles, Reloading, Optics, Equipment
Reloading
I need some help from the reloading gurus.
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<blockquote data-quote="Paulstarr" data-source="post: 2786909" data-attributes="member: 116871"><p><strong>One of the guy's has already pointed out the thickness difference,Federal is 16 thou and Lapua is 15 thou, so there is a pressure reduction in the Lap case, a chronograph will show in fps what that is.Check the neck tension between both cases by measuring the necks, if you use neck bushings you will find that the bush used for Federal is NOT suitable for the Lapua brass because of the difference in wall thickness.Once you have fire formed the Lap brass work up a load to suit it.It's always a good idea NOT to mix brass especially for long range work.</strong></p><p><strong>Hope it helps, stay safe.</strong></p></blockquote><p></p>
[QUOTE="Paulstarr, post: 2786909, member: 116871"] [B]One of the guy's has already pointed out the thickness difference,Federal is 16 thou and Lapua is 15 thou, so there is a pressure reduction in the Lap case, a chronograph will show in fps what that is.Check the neck tension between both cases by measuring the necks, if you use neck bushings you will find that the bush used for Federal is NOT suitable for the Lapua brass because of the difference in wall thickness.Once you have fire formed the Lap brass work up a load to suit it.It's always a good idea NOT to mix brass especially for long range work. Hope it helps, stay safe.[/B] [/QUOTE]
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Rifles, Reloading, Optics, Equipment
Reloading
I need some help from the reloading gurus.
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