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Rifles, Reloading, Optics, Equipment
Reloading
Ramshot Magnum vs. barrel life
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<blockquote data-quote="Bart B" data-source="post: 92977" data-attributes="member: 5302"><p>Years ago when Oehler came out with their piezio pressure gage system, some folks testing their handloads noticed that ball powders gave a faster initial pressure peak than extruded powders. These peaks were much like those made with any powder ignited by really hot magnum primers. When the same load was primed with a really mild primer (RWS 5341, for example), accuracy was great.</p><p></p><p>Some folks believe the reason this happened was bullets pushed into the rifling too fast deformed a bit and therefore were not well balanced. Bullets entering the rifling more gently were not deformed and were very well balanced. Unbalanced bullets don't shoot accurate.</p><p></p><p>Makes sense to me......</p></blockquote><p></p>
[QUOTE="Bart B, post: 92977, member: 5302"] Years ago when Oehler came out with their piezio pressure gage system, some folks testing their handloads noticed that ball powders gave a faster initial pressure peak than extruded powders. These peaks were much like those made with any powder ignited by really hot magnum primers. When the same load was primed with a really mild primer (RWS 5341, for example), accuracy was great. Some folks believe the reason this happened was bullets pushed into the rifling too fast deformed a bit and therefore were not well balanced. Bullets entering the rifling more gently were not deformed and were very well balanced. Unbalanced bullets don't shoot accurate. Makes sense to me...... [/QUOTE]
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Rifles, Reloading, Optics, Equipment
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Ramshot Magnum vs. barrel life
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