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The Range
Ammo & Reloading
Starting to push it - Where next?
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<blockquote data-quote="338Shooter" data-source="post: 1438480" data-attributes="member: 3449"><p>I use Redding Type-S bushing neck die. Redding body die to bump the shoulder when necessary. Forrester Ultra Competition Seater with micrometer. The dies you are using are bad at causing runout on the neck and they badly over work the brass. They squeeze the neck down then use the expander ball to reopen it to the "proper" size. The expander ball can cause loads of runout on the neck, too much, and inconsistent neck tension.</p><p></p><p>Uniforming the flash holes would be good too. If you're using Lapua brass this may not be an issue though. All the lapua 338 brass I have the flash holes are awesome. Uniforming the primer pocket could help too, but I'd get some new dies and start measuring more first and foremost.</p></blockquote><p></p>
[QUOTE="338Shooter, post: 1438480, member: 3449"] I use Redding Type-S bushing neck die. Redding body die to bump the shoulder when necessary. Forrester Ultra Competition Seater with micrometer. The dies you are using are bad at causing runout on the neck and they badly over work the brass. They squeeze the neck down then use the expander ball to reopen it to the "proper" size. The expander ball can cause loads of runout on the neck, too much, and inconsistent neck tension. Uniforming the flash holes would be good too. If you're using Lapua brass this may not be an issue though. All the lapua 338 brass I have the flash holes are awesome. Uniforming the primer pocket could help too, but I'd get some new dies and start measuring more first and foremost. [/QUOTE]
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