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Rifles, Reloading, Optics, Equipment
Rifles, Bullets, Barrels & Ballistics
338-378 Weatherby
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<blockquote data-quote="RDM416" data-source="post: 465990" data-attributes="member: 3745"><p>Edd,</p><p></p><p>There are several of us out here that shoot the 338/378 or variants (338/378 improved) The improved all have a 35 or 40 degree shoulder usually pushed a little forward, and a little taper taken out of the case. I shoot a 338 Kubla Khan for example. </p><p></p><p>They are ballistically superior to anything out there until you move up to one of the really big wildcats such as the 338/408. The 338 RUM, Edge and Lapua are similar sized and have gained a lot of popularity and will perform close to the 338/378. </p><p></p><p>Brass is only available from Norma and Wby (probably made by norma) and is soft. As was pointed out when loading to max loads the primer pockets do not last long. I get about 5 loading out of mine, and about 3 if I push it hard. </p><p></p><p>If you are going to build a new rifle I might suggest going to something like the 338 Edge or a 338 Lapua improved, but if you already have the Wby it is a great long range rifle. You need to look at 300 grain SMKs to take advantage of the performance of that big case. </p><p></p><p>Do a search on the site for 338-378, 338/378 or 338 Kahn and you will quite a number of threads.</p></blockquote><p></p>
[QUOTE="RDM416, post: 465990, member: 3745"] Edd, There are several of us out here that shoot the 338/378 or variants (338/378 improved) The improved all have a 35 or 40 degree shoulder usually pushed a little forward, and a little taper taken out of the case. I shoot a 338 Kubla Khan for example. They are ballistically superior to anything out there until you move up to one of the really big wildcats such as the 338/408. The 338 RUM, Edge and Lapua are similar sized and have gained a lot of popularity and will perform close to the 338/378. Brass is only available from Norma and Wby (probably made by norma) and is soft. As was pointed out when loading to max loads the primer pockets do not last long. I get about 5 loading out of mine, and about 3 if I push it hard. If you are going to build a new rifle I might suggest going to something like the 338 Edge or a 338 Lapua improved, but if you already have the Wby it is a great long range rifle. You need to look at 300 grain SMKs to take advantage of the performance of that big case. Do a search on the site for 338-378, 338/378 or 338 Kahn and you will quite a number of threads. [/QUOTE]
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338-378 Weatherby
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