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Rifles, Reloading, Optics, Equipment
Rifles, Bullets, Barrels & Ballistics
Barrel Life
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<blockquote data-quote="DocDoc" data-source="post: 1731736" data-attributes="member: 69144"><p>The .260 Rem has the same shoulder angle as the .243. With heavy for caliber bullets, they burn about the same amount of powder. The .243 is pushing the hot gas down a smaller hole, so the barrel life is shorter.</p><p></p><p>The military recognized the .308 to have a longer accurate barrel life than the .30-06. Even though the 06 has a longer neck length, it burns about ten grains more powder. More hot gas and smaller hole result in shorter barrel life.</p></blockquote><p></p>
[QUOTE="DocDoc, post: 1731736, member: 69144"] The .260 Rem has the same shoulder angle as the .243. With heavy for caliber bullets, they burn about the same amount of powder. The .243 is pushing the hot gas down a smaller hole, so the barrel life is shorter. The military recognized the .308 to have a longer accurate barrel life than the .30-06. Even though the 06 has a longer neck length, it burns about ten grains more powder. More hot gas and smaller hole result in shorter barrel life. [/QUOTE]
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Rifles, Reloading, Optics, Equipment
Rifles, Bullets, Barrels & Ballistics
Barrel Life
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