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Rifles, Reloading, Optics, Equipment
Equipment Discussions
Kirby Allen
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<blockquote data-quote="RDM416" data-source="post: 91720" data-attributes="member: 3745"><p>Derek,</p><p></p><p>The 338 Kubla Kahn is made from the parent case of the 338-378 Weatherby. It has a 30 degree shoulder rather than the double compound radius of the 338-378. There is a small increase in case capacity of around 8 to 10 percent. </p><p></p><p>Both the Kahn and the 338-378 are significantly larger in case capacity than the 338RUM. </p><p></p><p>Here is a picture of all three, left to right, 338RUM, 338-378, 338 Kahn. All three are loaded with 210grn TSX bullets. [image]<a href="http://www.hunt101.com/?p=354941&amp;c=500&amp;z=1" target="_blank"><img src="http://hunt101.com/img/354941.jpg" alt="" class="fr-fic fr-dii fr-draggable " style="" /></a>[/image] </p><p></p><p>For a comparison of velocity between the Kahn and the 338RUM, just use the 338-378. For example out of the Barnes manual: 338RUM 200grn XFB, highest listed vel. 3186, 338-378 same bullet, 3338. And for real world, with my HP Precision 338RUM I can get 3250 out of the Barnes 210 TSX, with my 338 Kahn I can get 3500. I am getting 3150 with the Kahn and 250grn SMKs.</p></blockquote><p></p>
[QUOTE="RDM416, post: 91720, member: 3745"] Derek, The 338 Kubla Kahn is made from the parent case of the 338-378 Weatherby. It has a 30 degree shoulder rather than the double compound radius of the 338-378. There is a small increase in case capacity of around 8 to 10 percent. Both the Kahn and the 338-378 are significantly larger in case capacity than the 338RUM. Here is a picture of all three, left to right, 338RUM, 338-378, 338 Kahn. All three are loaded with 210grn TSX bullets. [image][url="http://www.hunt101.com/?p=354941&c=500&z=1"][img]http://hunt101.com/img/354941.jpg[/img][/url][/image] For a comparison of velocity between the Kahn and the 338RUM, just use the 338-378. For example out of the Barnes manual: 338RUM 200grn XFB, highest listed vel. 3186, 338-378 same bullet, 3338. And for real world, with my HP Precision 338RUM I can get 3250 out of the Barnes 210 TSX, with my 338 Kahn I can get 3500. I am getting 3150 with the Kahn and 250grn SMKs. [/QUOTE]
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Rifles, Reloading, Optics, Equipment
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Kirby Allen
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