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Rifles, Reloading, Optics, Equipment
Rifles, Bullets, Barrels & Ballistics
Understanding cartridge efficiency
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<blockquote data-quote="358 Guy" data-source="post: 1915025" data-attributes="member: 60067"><p>If you have 2 similar capacity rounds, both loaded with the same powder charge and bullet, and all others things being equal ( barrel length. The one that produces higher velocity consistently, is probably more efficient if pressures are near equal. As in petroleum burning engines, the shape of the combustion chamber has a lot to do with it. If I can burn less powder for equal performance, that is probably the round that I would go with. Lower powder charges also mean greater barrel life.</p></blockquote><p></p>
[QUOTE="358 Guy, post: 1915025, member: 60067"] If you have 2 similar capacity rounds, both loaded with the same powder charge and bullet, and all others things being equal ( barrel length. The one that produces higher velocity consistently, is probably more efficient if pressures are near equal. As in petroleum burning engines, the shape of the combustion chamber has a lot to do with it. If I can burn less powder for equal performance, that is probably the round that I would go with. Lower powder charges also mean greater barrel life. [/QUOTE]
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Rifles, Reloading, Optics, Equipment
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Understanding cartridge efficiency
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