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Rifles, Reloading, Optics, Equipment
Reloading
Question on neck sizing and tension . . .
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<blockquote data-quote="WildRose" data-source="post: 1266417" data-attributes="member: 30902"><p>What works best usually is sticking with the vernacular that has existed since long before this forum.</p><p></p><p>Neck tension is a simple concept, it's how snugly the neck holds the seated bullet usually it's expressed in terms of the diameter of the case neck vs the diameter of the bullet.</p><p></p><p>What do I do about neck tension? Until I started reading this forum I never considered it other than when I occasionally noticed that a bullet seated too easily and then felt a bit loose. Working with what I had at the time I'd simply remove my decapping pin in my sizing die and work the neck again and if the bullet still seated loosely measured both it and the bullet to see if my neck was getting too thin or I had a slightly undersized bullet. Whichever measured out of spec was tossed and I moved on.</p><p></p><p>After upgrading from a lot of over thirty year old equipment this year I started using new dies including factory crimping dies which ensure the exact same tension on every bullet and that one extra step costs me maybe five seconds for each round I load.</p><p></p><p>I don't have any tight chambers requiring neck turning (so far at least) so KISS still works pretty well.</p><p></p><p>Since I started doing the factory crimp on both .260 and .300 Rum loads my groups tightened up to a level I've not ever achieved before so it must be working as intended.</p><p></p><p>Now if I'm loading specific brass for a specific rifle I tend to neck size only for 2-3 rounds and then try the full length sizing on the fourth.</p><p></p><p>My results are steadily improving and I attribute it to what I've learned on this forum.</p><p></p><p>Old timers like myself who started loading back in the seventies usually had one book and those of us that were real lucky had a friend who introduced us into the basics of handloading and we have continued to load the same way, most of us anyhow right up to the present.</p><p></p><p>We're generational leaps and bounds advanced beyond what was available forty years ago in terms of the rapid exchange of information so there's no reason for any of us to stay in the stone age.</p><p></p><p>When you've been at this for a few decades instead of being stuck on how much you know you begin to realize just how much more there is to learn, especially if you hang around here much.</p></blockquote><p></p>
[QUOTE="WildRose, post: 1266417, member: 30902"] What works best usually is sticking with the vernacular that has existed since long before this forum. Neck tension is a simple concept, it's how snugly the neck holds the seated bullet usually it's expressed in terms of the diameter of the case neck vs the diameter of the bullet. What do I do about neck tension? Until I started reading this forum I never considered it other than when I occasionally noticed that a bullet seated too easily and then felt a bit loose. Working with what I had at the time I'd simply remove my decapping pin in my sizing die and work the neck again and if the bullet still seated loosely measured both it and the bullet to see if my neck was getting too thin or I had a slightly undersized bullet. Whichever measured out of spec was tossed and I moved on. After upgrading from a lot of over thirty year old equipment this year I started using new dies including factory crimping dies which ensure the exact same tension on every bullet and that one extra step costs me maybe five seconds for each round I load. I don't have any tight chambers requiring neck turning (so far at least) so KISS still works pretty well. Since I started doing the factory crimp on both .260 and .300 Rum loads my groups tightened up to a level I've not ever achieved before so it must be working as intended. Now if I'm loading specific brass for a specific rifle I tend to neck size only for 2-3 rounds and then try the full length sizing on the fourth. My results are steadily improving and I attribute it to what I've learned on this forum. Old timers like myself who started loading back in the seventies usually had one book and those of us that were real lucky had a friend who introduced us into the basics of handloading and we have continued to load the same way, most of us anyhow right up to the present. We're generational leaps and bounds advanced beyond what was available forty years ago in terms of the rapid exchange of information so there's no reason for any of us to stay in the stone age. When you've been at this for a few decades instead of being stuck on how much you know you begin to realize just how much more there is to learn, especially if you hang around here much. [/QUOTE]
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Question on neck sizing and tension . . .
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