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Rifles, Reloading, Optics, Equipment
Rifles, Bullets, Barrels & Ballistics
264 Win Mag VS 270 Whby
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<blockquote data-quote="Trickymissfit" data-source="post: 667039" data-attributes="member: 25383"><p>where have you been for the last four or five years??? There's been a constant gripe about the 800 round barrel life. The one savings grace for the round is the 35 degree shoulder angle. Had the neck been about .32" in length, it'd would have had a much longer barrel life. Long necks and sharp shoulders put together are well known for long barrel lives and better groups. A really good example is the compairison between the 6.5/.284 and the</p><p>6.5-06AI. One has a 35 degree shoulder and the other a 40 degree shoulder One has a .264" neck length and the other is about .32" in length. Case volume is similar between the two. But one will have at least a 50% longer barrel life alone (usually more than that). You can do the samething with the .308 Winchester as compaired to the generic 30-06, or the .243 to the 6mm</p><p>gary</p></blockquote><p></p>
[QUOTE="Trickymissfit, post: 667039, member: 25383"] where have you been for the last four or five years??? There's been a constant gripe about the 800 round barrel life. The one savings grace for the round is the 35 degree shoulder angle. Had the neck been about .32" in length, it'd would have had a much longer barrel life. Long necks and sharp shoulders put together are well known for long barrel lives and better groups. A really good example is the compairison between the 6.5/.284 and the 6.5-06AI. One has a 35 degree shoulder and the other a 40 degree shoulder One has a .264" neck length and the other is about .32" in length. Case volume is similar between the two. But one will have at least a 50% longer barrel life alone (usually more than that). You can do the samething with the .308 Winchester as compaired to the generic 30-06, or the .243 to the 6mm gary [/QUOTE]
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Rifles, Reloading, Optics, Equipment
Rifles, Bullets, Barrels & Ballistics
264 Win Mag VS 270 Whby
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