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The Basics, Starting Out
Newbie Reloader with Questions
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<blockquote data-quote="Barrelnut" data-source="post: 1466677" data-attributes="member: 74902"><p>This is usually caused by the brass having varying amounts of hardness in the neck. This makes the resistance to seating the bullet different on each neck and the result is different seating depths. Brass "work hardens" each time it is fired. You should always keep your brass sorted by the number of firings, so the hardness will be about the same. Also, research annealing brass, it will be something you need to learn about too.</p><p></p><p>The micrometer dies make fine adjustment easier. They can help with varying neck hardness by backing off the seating depth each time a few thou and seating and measuring and seating and measuring each time so you can kinda walk in the exact seating depth each time, but this is tedious at best, and will cause deviations in bullet velocity which can wreck havoc on long range accuracy.</p></blockquote><p></p>
[QUOTE="Barrelnut, post: 1466677, member: 74902"] This is usually caused by the brass having varying amounts of hardness in the neck. This makes the resistance to seating the bullet different on each neck and the result is different seating depths. Brass "work hardens" each time it is fired. You should always keep your brass sorted by the number of firings, so the hardness will be about the same. Also, research annealing brass, it will be something you need to learn about too. The micrometer dies make fine adjustment easier. They can help with varying neck hardness by backing off the seating depth each time a few thou and seating and measuring and seating and measuring each time so you can kinda walk in the exact seating depth each time, but this is tedious at best, and will cause deviations in bullet velocity which can wreck havoc on long range accuracy. [/QUOTE]
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