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The Range
Ammo & Reloading
What did you do in the reloading room today?
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<blockquote data-quote="diggler1833" data-source="post: 4012529" data-attributes="member: 48072"><p>I do know that resizing especially, and then firing works the brass a lot more than tumbling with pins. However, if you anneal, you can get the hardness of the neck and shoulder back down to close (if not completely) to the original state.</p><p></p><p>I have mixed my process up many times over the years. Currently I resize, tumble, anneal, trim/chamfer/debur, then use a mandrel before priming and powder. </p><p></p><p>I wasn't a big annealing fan, but after splitting ~80% of the necks on some hot .223 loads in LC brass on just the 3rd loading...I became an annealing fan.</p><p></p><p>20+ years ago...I also used to just arbitrarily crank my sizing die down 1/4 turn past bottoming out on my shell holder too...probably was bumping the shoulders .008 - .010 <img class="smilie smilie--emoji" loading="lazy" alt="😄" title="Grinning face with smiling eyes :smile:" src="https://cdn.jsdelivr.net/joypixels/assets/8.0/png/unicode/64/1f604.png" data-shortname=":smile:" />. The things you do when you're new. Was only getting 2-3 reloads out of Black Hills .308 brass before the case head bulge was too large for me to feel comfortable about. You look back at the things you used to do and think "what a moron".</p><p></p><p>Where I caught on board with your post is that maybe I'm leaving an inconsistent amount of residue inside the neck or case body...and maybe that is causing a slight variation in bullet release or velocity. I think you're on to something here that can help me, and I appreciate your sharing. I know that zero residue works well, because I've had ES and SDs as low as 4 and 1 on virgin brass...but when you partially clean, maybe something is there.</p></blockquote><p></p>
[QUOTE="diggler1833, post: 4012529, member: 48072"] I do know that resizing especially, and then firing works the brass a lot more than tumbling with pins. However, if you anneal, you can get the hardness of the neck and shoulder back down to close (if not completely) to the original state. I have mixed my process up many times over the years. Currently I resize, tumble, anneal, trim/chamfer/debur, then use a mandrel before priming and powder. I wasn't a big annealing fan, but after splitting ~80% of the necks on some hot .223 loads in LC brass on just the 3rd loading...I became an annealing fan. 20+ years ago...I also used to just arbitrarily crank my sizing die down 1/4 turn past bottoming out on my shell holder too...probably was bumping the shoulders .008 - .010 😄. The things you do when you're new. Was only getting 2-3 reloads out of Black Hills .308 brass before the case head bulge was too large for me to feel comfortable about. You look back at the things you used to do and think "what a moron". Where I caught on board with your post is that maybe I'm leaving an inconsistent amount of residue inside the neck or case body...and maybe that is causing a slight variation in bullet release or velocity. I think you're on to something here that can help me, and I appreciate your sharing. I know that zero residue works well, because I've had ES and SDs as low as 4 and 1 on virgin brass...but when you partially clean, maybe something is there. [/QUOTE]
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