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Rifles, Reloading, Optics, Equipment
Reloading
Neil Jones Custom Dies ?
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<blockquote data-quote="Joel Russo" data-source="post: 422303" data-attributes="member: 6152"><p>Your calculations are correct. </p><p></p><p>My rule of thumb is that the bigger the bullet, the more neck tension you need. The slower the powder, the more neck tension you need.</p><p></p><p>I generally use .003" neck tension across the board on all my comp and hunting rifles. </p><p></p><p>When I was doing load development for the .30-.416 rifle, I started with a .330" bushing, thinking I would experiment there and then drop to the .328". Accuracy was exceptional with the .330", so that's where I left it. </p><p></p><p>I found that with the large .408 case and the 300 gr .338 bullets, anything less that .002" neck tension resulted in mild hang fires.. upping the tension to .003" created a complete burn and incredible accuracy... </p><p></p><p>So, stay with whatever tension you find works while doing load development and anneal away.</p></blockquote><p></p>
[QUOTE="Joel Russo, post: 422303, member: 6152"] Your calculations are correct. My rule of thumb is that the bigger the bullet, the more neck tension you need. The slower the powder, the more neck tension you need. I generally use .003" neck tension across the board on all my comp and hunting rifles. When I was doing load development for the .30-.416 rifle, I started with a .330" bushing, thinking I would experiment there and then drop to the .328". Accuracy was exceptional with the .330", so that's where I left it. I found that with the large .408 case and the 300 gr .338 bullets, anything less that .002" neck tension resulted in mild hang fires.. upping the tension to .003" created a complete burn and incredible accuracy... So, stay with whatever tension you find works while doing load development and anneal away. [/QUOTE]
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Neil Jones Custom Dies ?
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