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Rifles, Reloading, Optics, Equipment
Rifles, Bullets, Barrels & Ballistics
338-378 WBY 260 grain Cutting Edge
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<blockquote data-quote="Long Time Long Ranger" data-source="post: 663405" data-attributes="member: 505"><p>On average the 338-378 is about 150-200 fps faster. Just depends on the rifle. All the big 338's are close enough that if you get a slow barrel 338-378 and a fast barrel 338 lapua there will not be much difference. A fast 338-378 and a slow lapua and there is a lot of difference. In the 26" barrel Accumark you will average maybe 150 fps difference. Either will kill anything.</p><p> </p><p>These light, high bc bullets can give you an advantage depending on how far you typically shoot. Where they really help is the extreme accuracy from a perfect cnc cut bullet over a swaged lead core bullet. They are not very critical to load for to get extreme accuracy. I have never shot a more accurate bullet. For some reason I can get higher velocity by 75-100 fps over the same weight lead core bullet in several rifles and this combined with the weight/bc ratio gives an extra advantage. The only one that is not is my 264 STW which shoots the 129 SST about the same velocity as the 130 CE with best accuracy.</p><p> </p><p>With the 260's they recomend a faster twist than 1-10 however this rifle is shooting them well at 3300 fps.</p></blockquote><p></p>
[QUOTE="Long Time Long Ranger, post: 663405, member: 505"] On average the 338-378 is about 150-200 fps faster. Just depends on the rifle. All the big 338's are close enough that if you get a slow barrel 338-378 and a fast barrel 338 lapua there will not be much difference. A fast 338-378 and a slow lapua and there is a lot of difference. In the 26" barrel Accumark you will average maybe 150 fps difference. Either will kill anything. These light, high bc bullets can give you an advantage depending on how far you typically shoot. Where they really help is the extreme accuracy from a perfect cnc cut bullet over a swaged lead core bullet. They are not very critical to load for to get extreme accuracy. I have never shot a more accurate bullet. For some reason I can get higher velocity by 75-100 fps over the same weight lead core bullet in several rifles and this combined with the weight/bc ratio gives an extra advantage. The only one that is not is my 264 STW which shoots the 129 SST about the same velocity as the 130 CE with best accuracy. With the 260's they recomend a faster twist than 1-10 however this rifle is shooting them well at 3300 fps. [/QUOTE]
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Rifles, Reloading, Optics, Equipment
Rifles, Bullets, Barrels & Ballistics
338-378 WBY 260 grain Cutting Edge
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