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Rifles, Reloading, Optics, Equipment
Reloading
H4350 and still no success
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<blockquote data-quote="Timber338" data-source="post: 798074" data-attributes="member: 33822"><p>Just doing a measurement of the necks could tell you if turning is necessary... if the variation in neck wall thickness measured at several points around the neck is larger than +/- .002", turning the necks might help.</p><p></p><p>A 338wsm wildcat that I have did not shoot good until I bought high-end brass... the Winchester brass I was using had horrible case neck variations after I expanded up to 338 (and it was not great before expanding). The neck wall thickness varied between .012" and .018" in some of the cases. That is simply horrible. The new high-end brass, even after expanding, had a max variation of .001", and that was comparing every brass in two different boxes. Max thickness was .014 and min thickness was .013. So turning was not necessary... And it made a huge difference in accuracy. </p><p></p><p>And, it was a pac-nor barrel that didn't shoot very well until I switched brass. Now it shoots amazing. The gun is a true shooter.</p><p></p><p>Although, But my first guess is that brass with a much smaller .243 neck would not have the same problem... but five minutes with a set of calipers would confirm one way or another.</p></blockquote><p></p>
[QUOTE="Timber338, post: 798074, member: 33822"] Just doing a measurement of the necks could tell you if turning is necessary... if the variation in neck wall thickness measured at several points around the neck is larger than +/- .002", turning the necks might help. A 338wsm wildcat that I have did not shoot good until I bought high-end brass... the Winchester brass I was using had horrible case neck variations after I expanded up to 338 (and it was not great before expanding). The neck wall thickness varied between .012" and .018" in some of the cases. That is simply horrible. The new high-end brass, even after expanding, had a max variation of .001", and that was comparing every brass in two different boxes. Max thickness was .014 and min thickness was .013. So turning was not necessary... And it made a huge difference in accuracy. And, it was a pac-nor barrel that didn't shoot very well until I switched brass. Now it shoots amazing. The gun is a true shooter. Although, But my first guess is that brass with a much smaller .243 neck would not have the same problem... but five minutes with a set of calipers would confirm one way or another. [/QUOTE]
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Rifles, Reloading, Optics, Equipment
Reloading
H4350 and still no success
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