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Rifles, Reloading, Optics, Equipment
Rifles, Bullets, Barrels & Ballistics
30-06 vs. 30-378
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<blockquote data-quote="Michael Courtney" data-source="post: 928423" data-attributes="member: 28191"><p>If you're going to get the same efficiency with the same bullet weight, you'd need a much longer barrel.</p><p></p><p>Overbore cartridges are much less efficient, but it helps that most overbore cartridges are used with longer, heavier, high BC bullets. A 208-230 grain bullet can use the extra powder in a shorter barrel length than a 150-165 grain bullet.</p><p></p><p>But adding more powder capacity and much greater powder charges to a cartridge is almost always a situation of demishing returns.</p></blockquote><p></p>
[QUOTE="Michael Courtney, post: 928423, member: 28191"] If you're going to get the same efficiency with the same bullet weight, you'd need a much longer barrel. Overbore cartridges are much less efficient, but it helps that most overbore cartridges are used with longer, heavier, high BC bullets. A 208-230 grain bullet can use the extra powder in a shorter barrel length than a 150-165 grain bullet. But adding more powder capacity and much greater powder charges to a cartridge is almost always a situation of demishing returns. [/QUOTE]
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Rifles, Reloading, Optics, Equipment
Rifles, Bullets, Barrels & Ballistics
30-06 vs. 30-378
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