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Rifles, Reloading, Optics, Equipment
Reloading
To bush or mandrel
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<blockquote data-quote="MagnumManiac" data-source="post: 2130857" data-attributes="member: 10755"><p>I can tell you this with 100% conviction.</p><p>None of this matters unless your brass is consistent in grain structure.</p><p>If your brass is work hardened even the tiniest bit, it will not be consistent across each and every piece.</p><p>The only way to ensure that is to anneal before every sizing.</p><p>Another aspect often ignored is how much neck clearance you have in your chamber.</p><p>I find .003" tight, but .004" is the sweet spot. Have turned away from tight neck chambers and only turn necks to clean them up, not for clearance, as thinning the necks too much also changes how much tension that brass will have.</p><p>All of this boils down to how much spring back your brass has.</p><p>If you have ever pulled down Bullets, you will notice that all the neck tension that was present has gone...the same thing happens in the chamber. As soon as the bullet moves, all the grip has gone. It's that initial microsecond of hold that wins or loses in the sweet spot tension game. Unless you figure out what the barrel/load likes, you're just chasing your tail around endlessly.</p><p></p><p>Cheers.</p></blockquote><p></p>
[QUOTE="MagnumManiac, post: 2130857, member: 10755"] I can tell you this with 100% conviction. None of this matters unless your brass is consistent in grain structure. If your brass is work hardened even the tiniest bit, it will not be consistent across each and every piece. The only way to ensure that is to anneal before every sizing. Another aspect often ignored is how much neck clearance you have in your chamber. I find .003” tight, but .004” is the sweet spot. Have turned away from tight neck chambers and only turn necks to clean them up, not for clearance, as thinning the necks too much also changes how much tension that brass will have. All of this boils down to how much spring back your brass has. If you have ever pulled down Bullets, you will notice that all the neck tension that was present has gone...the same thing happens in the chamber. As soon as the bullet moves, all the grip has gone. It’s that initial microsecond of hold that wins or loses in the sweet spot tension game. Unless you figure out what the barrel/load likes, you’re just chasing your tail around endlessly. Cheers. [/QUOTE]
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Rifles, Reloading, Optics, Equipment
Reloading
To bush or mandrel
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