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Rifles, Reloading, Optics, Equipment
Rifles, Bullets, Barrels & Ballistics
Trying to decide contour and barrel diameter for 280AI
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<blockquote data-quote="WildRose" data-source="post: 1228982" data-attributes="member: 30902"><p>There's a lot of wisdom and common sense here. Whippy barrels are never as accurate as a barrel of the same quality that has some meat to it.</p><p></p><p>The weight difference between a barrel that finishes at </p><p>.600 vs .750 is less than a couple of ounces.</p><p></p><p>I've messed with a lot of barrels for calibers from .17Rem to .204ruger, 7mm STW to 300WM and 300Rm to 45-70.</p><p></p><p>I find the Sendero contour or larger to be a bit more of a pain than I want in a rifle I'm going to have to carry so I tend towards the .750 finished diameter.</p><p></p><p>Chris at Benchmark says what I need is roughly a #3.5 contour and I'll be well pleased.</p><p></p><p>To that end I bought one that was originally chambered for .300H&H that I'll be rechambering and putting on my latest 300wm project. If I can find the right guy here locally I'll hopefully have it ready to go by November. We shall See. If I like it as much as I expect I'll have the 27" Version on the 300wm and then I'll have Chris do me two more, a 28" version for one of my 300Rum's and another for the 375 in either 28 or 29". Planning on 1:9 twists for the 30 calibers and probably 1:10 for the 375 unless someone can talk me into going another route with good hard data.</p><p></p><p>If I get all that done I suspect I'll be about done building rifles for the rest of my life.</p></blockquote><p></p>
[QUOTE="WildRose, post: 1228982, member: 30902"] There's a lot of wisdom and common sense here. Whippy barrels are never as accurate as a barrel of the same quality that has some meat to it. The weight difference between a barrel that finishes at .600 vs .750 is less than a couple of ounces. I've messed with a lot of barrels for calibers from .17Rem to .204ruger, 7mm STW to 300WM and 300Rm to 45-70. I find the Sendero contour or larger to be a bit more of a pain than I want in a rifle I'm going to have to carry so I tend towards the .750 finished diameter. Chris at Benchmark says what I need is roughly a #3.5 contour and I'll be well pleased. To that end I bought one that was originally chambered for .300H&H that I'll be rechambering and putting on my latest 300wm project. If I can find the right guy here locally I'll hopefully have it ready to go by November. We shall See. If I like it as much as I expect I'll have the 27" Version on the 300wm and then I'll have Chris do me two more, a 28" version for one of my 300Rum's and another for the 375 in either 28 or 29". Planning on 1:9 twists for the 30 calibers and probably 1:10 for the 375 unless someone can talk me into going another route with good hard data. If I get all that done I suspect I'll be about done building rifles for the rest of my life. [/QUOTE]
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Rifles, Reloading, Optics, Equipment
Rifles, Bullets, Barrels & Ballistics
Trying to decide contour and barrel diameter for 280AI
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