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Rifles, Reloading, Optics, Equipment
Reloading
straightness
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<blockquote data-quote="Moman" data-source="post: 365326" data-attributes="member: 10494"><p>Bota, you can unscrew the stem with expander ball out of your die and resize a case. This will show you how much your die sizes down the neck without the expander ball expanding it back. Take a measurement at the neck. Measure another neck of a loaded round. That should show you your neck tension. </p><p> </p><p>I still use expander balls in my FL dies, old habits are hard to brake. The ones I have been buying over the last couple of years have been the Forsters. They have a rubber washer under the stem lock nut, this allows a little bit of flex in the expander and helps it align better with the case, in theory to reduce expander induced runout. Also, the expander on the Forster is mounted much higher on the stem so it engages the case neck while the case is still supported in the die. For a $10 service fee, Forster will hone the neck of their FL dies to reduce some of the neck tension. Again, this helps with reducing expander induced runout as well as overworking the case in this area.</p></blockquote><p></p>
[QUOTE="Moman, post: 365326, member: 10494"] Bota, you can unscrew the stem with expander ball out of your die and resize a case. This will show you how much your die sizes down the neck without the expander ball expanding it back. Take a measurement at the neck. Measure another neck of a loaded round. That should show you your neck tension. I still use expander balls in my FL dies, old habits are hard to brake. The ones I have been buying over the last couple of years have been the Forsters. They have a rubber washer under the stem lock nut, this allows a little bit of flex in the expander and helps it align better with the case, in theory to reduce expander induced runout. Also, the expander on the Forster is mounted much higher on the stem so it engages the case neck while the case is still supported in the die. For a $10 service fee, Forster will hone the neck of their FL dies to reduce some of the neck tension. Again, this helps with reducing expander induced runout as well as overworking the case in this area. [/QUOTE]
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Reloading
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