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Rifles, Reloading, Optics, Equipment
Reloading
Better accuracy with Virgin Brass?
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<blockquote data-quote="Mikecr" data-source="post: 1180536" data-attributes="member: 1521"><p>The new brass is absorbing some energy in all that expansion, and it's higher in load density (which is good), and your barrel happens to like it. That's an abstract one direction or another in going from new to fire formed brass. It could have easily shot much worse.</p><p>But,, you're not going to be shooting only new brass, right?</p><p>This is why powder development with new brass is usually a waste of time.</p><p></p><p>I would not back off same powder to leave lower load density with stable fire formed brass. I would develop with a slightly slower powder that well fills the formed cases at your best seating.</p><p>You fully tested to determine best seating, right?</p></blockquote><p></p>
[QUOTE="Mikecr, post: 1180536, member: 1521"] The new brass is absorbing some energy in all that expansion, and it's higher in load density (which is good), and your barrel happens to like it. That's an abstract one direction or another in going from new to fire formed brass. It could have easily shot much worse. But,, you're not going to be shooting only new brass, right? This is why powder development with new brass is usually a waste of time. I would not back off same powder to leave lower load density with stable fire formed brass. I would develop with a slightly slower powder that well fills the formed cases at your best seating. You fully tested to determine best seating, right? [/QUOTE]
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Rifles, Reloading, Optics, Equipment
Reloading
Better accuracy with Virgin Brass?
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