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Rifles, Reloading, Optics, Equipment
Rifles, Bullets, Barrels & Ballistics
300 Weatherby Mag. vs. 300 Ultra Mag. vs. 300 WSM
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<blockquote data-quote="Trickymissfit" data-source="post: 794199" data-attributes="member: 25383"><p>Looking at the chamber drawings of the .300 WSM and the .300WBY, one sees a great difference between the neck length so the two rounds. One has a 35 degree shoulder and the other figures out to be around 45 degrees. The vortex of the flame pathe in the WSM case is just inside the front of the lip in the neck. Better than some, but no where as good as the Weatherby neck design. The WBY mag uses about 12% more powder to gain over two hundred feet persecond in velocity (probably more). The longer neck seriously comes into play when you start using 220+ grain bullets</p><p> </p><p>I doubt there's many folks that are going to know the difference in barrel life between the WSM case and the WBY case, but who knows? Personally, I'd take the .308 Norma over either one of them</p><p>gary</p></blockquote><p></p>
[QUOTE="Trickymissfit, post: 794199, member: 25383"] Looking at the chamber drawings of the .300 WSM and the .300WBY, one sees a great difference between the neck length so the two rounds. One has a 35 degree shoulder and the other figures out to be around 45 degrees. The vortex of the flame pathe in the WSM case is just inside the front of the lip in the neck. Better than some, but no where as good as the Weatherby neck design. The WBY mag uses about 12% more powder to gain over two hundred feet persecond in velocity (probably more). The longer neck seriously comes into play when you start using 220+ grain bullets I doubt there's many folks that are going to know the difference in barrel life between the WSM case and the WBY case, but who knows? Personally, I'd take the .308 Norma over either one of them gary [/QUOTE]
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Rifles, Reloading, Optics, Equipment
Rifles, Bullets, Barrels & Ballistics
300 Weatherby Mag. vs. 300 Ultra Mag. vs. 300 WSM
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