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Rifles, Reloading, Optics, Equipment
Rifles, Bullets, Barrels & Ballistics
Question for you .338 guys!
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<blockquote data-quote="goodgrouper" data-source="post: 120509" data-attributes="member: 2852"><p>I think the standard leade angle of 1' 30" works fine. NEck diameter depends on how much clearance you want to run and how much you have to neck turn to get the neck walls the same thickness all the way around if you care about that sort of thing. I tend to believe that a uniform release of the bullet under pressure is a good thing no matter what caliber you shoot. If it only makes .010" difference in your group, then you might not care but I want all the accuracy I can get. </p><p></p><p>Both the 338 thunder and the 338 moag run about 1 and three quarter thousandths clearance. This is surely a bit tight for big game rifles, but my thunder is cleaned and checked regularly for foreign debris. It is not treated in the same manner as my other big game rifle.</p><p></p><p>The neck diameter on the 338 thunder is .367" THis diameter cleans up the neck perfectly. I don't know if the 300 ultra brass is the same way. It sounds thinner.</p><p></p><p>The tapered neck idea is not beneficial or necessary.</p></blockquote><p></p>
[QUOTE="goodgrouper, post: 120509, member: 2852"] I think the standard leade angle of 1' 30" works fine. NEck diameter depends on how much clearance you want to run and how much you have to neck turn to get the neck walls the same thickness all the way around if you care about that sort of thing. I tend to believe that a uniform release of the bullet under pressure is a good thing no matter what caliber you shoot. If it only makes .010" difference in your group, then you might not care but I want all the accuracy I can get. Both the 338 thunder and the 338 moag run about 1 and three quarter thousandths clearance. This is surely a bit tight for big game rifles, but my thunder is cleaned and checked regularly for foreign debris. It is not treated in the same manner as my other big game rifle. The neck diameter on the 338 thunder is .367" THis diameter cleans up the neck perfectly. I don't know if the 300 ultra brass is the same way. It sounds thinner. The tapered neck idea is not beneficial or necessary. [/QUOTE]
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Rifles, Reloading, Optics, Equipment
Rifles, Bullets, Barrels & Ballistics
Question for you .338 guys!
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