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Long Range Hunting & Shooting
Do I invest in a 6.5-300 PRC reamer? 6.5RUM or other mental 6.5...
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<blockquote data-quote="yorke-1" data-source="post: 1679574" data-attributes="member: 11960"><p>If you're looking for just raw horsepower, go with the 6.5 RUM and be happy. The 6.5/300 PRC will be the ballistic twin of the 26 Nosler and 6.5/300 Weatherby. I worked with a 6.5/375 Ruger for a while well before the 26 Nosler was out and it duplicated what the Nosler is doing now. The 6.5/300 PRC Improved would duplicate the 6.5/375 Ruger, but have a longer neck.</p><p></p><p>I still have a 6.5x338 RUM Improved and it's the upper limit (possibly a little beyond) the max amount of powder you can use in the 6.5 bore. As is, I can stuff the case full of H50bmg or US869 and still hit pressure before I get 100% case fill with a 160gr Matrix bullet. Unlike what others have experienced, I've found that the very overbore cases perform much better using the heaviest bullets available. I wouldn't waste my time or barrel life trying to shoot a 123gr bullet 3600 fps when I could get a 160gr bullet to 3400 fps. In fact we shot out a 6.5x338 RUM improved barrel in less than 200 shots doing that exact thing. I'm up to 415 rounds through my current 6.5x338 RUM and it's still holding .75 MOA to 1000 and the only load I've shot through this one is the 160gr Matrix VLD and US869.</p><p></p><p>The 6.5 RUM will have essentially the same case capacity and performance as the 338 RUM improved, just at a slightly longer OAL. The same can be said for the 270 RUM and the 270x338 RUM improved, both of which I've worked with.</p><p></p><p>When folks say that they can get the same velocity in a smaller case with less powder, I tend to think that they weren't using the larger case to it's full potential. Bigger cases are best used for heavy bullets and slow powders. If you want to shoot 140gr bullets really fast, then get something like the Nosler/Weatherby/PRC variants. If you want to shoot the 160gr bullets then go for something bigger like the RUM.</p></blockquote><p></p>
[QUOTE="yorke-1, post: 1679574, member: 11960"] If you're looking for just raw horsepower, go with the 6.5 RUM and be happy. The 6.5/300 PRC will be the ballistic twin of the 26 Nosler and 6.5/300 Weatherby. I worked with a 6.5/375 Ruger for a while well before the 26 Nosler was out and it duplicated what the Nosler is doing now. The 6.5/300 PRC Improved would duplicate the 6.5/375 Ruger, but have a longer neck. I still have a 6.5x338 RUM Improved and it's the upper limit (possibly a little beyond) the max amount of powder you can use in the 6.5 bore. As is, I can stuff the case full of H50bmg or US869 and still hit pressure before I get 100% case fill with a 160gr Matrix bullet. Unlike what others have experienced, I've found that the very overbore cases perform much better using the heaviest bullets available. I wouldn't waste my time or barrel life trying to shoot a 123gr bullet 3600 fps when I could get a 160gr bullet to 3400 fps. In fact we shot out a 6.5x338 RUM improved barrel in less than 200 shots doing that exact thing. I'm up to 415 rounds through my current 6.5x338 RUM and it's still holding .75 MOA to 1000 and the only load I've shot through this one is the 160gr Matrix VLD and US869. The 6.5 RUM will have essentially the same case capacity and performance as the 338 RUM improved, just at a slightly longer OAL. The same can be said for the 270 RUM and the 270x338 RUM improved, both of which I've worked with. When folks say that they can get the same velocity in a smaller case with less powder, I tend to think that they weren't using the larger case to it's full potential. Bigger cases are best used for heavy bullets and slow powders. If you want to shoot 140gr bullets really fast, then get something like the Nosler/Weatherby/PRC variants. If you want to shoot the 160gr bullets then go for something bigger like the RUM. [/QUOTE]
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Do I invest in a 6.5-300 PRC reamer? 6.5RUM or other mental 6.5...
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