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Rifles, Reloading, Optics, Equipment
Rifles, Bullets, Barrels & Ballistics
375 vs 338
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<blockquote data-quote="Fiftydriver" data-source="post: 252880" data-attributes="member: 10"><p>I would say the edge would get you 2800-2850 fps in a 30" barrel with the 350 gr bullet, POSSIBLY.</p><p> </p><p>From my testing, a 338 and a 375 with the same case capacity will drive a 300 gr SMK and a 350 gr SMK to roughly the same velocity respectively. For example, in a 30" barrel, the 338 Edge will get you around 2850 fps, the 375 RUM will likely get you around 2800 fps in a 30" barrel.</p><p> </p><p>I can not imagine any way that you could get that velocity in a 24" barrel without running extreme pressures.</p><p> </p><p>The 375 RUM I used to have, had a 27" barrel and it would drive the 300 gr bullet weights to 2900 fps tops. At that level primer pockets would loosen up at around 4 firings which tells me I should not push things any harder.</p><p> </p><p>Basically, if you like the Edge with a 300 gr SMK, the 375 RUM with the 350 gr bullet will do basically the same thing ballistically but with a larger frontal area bullet and higher kenetic energy payload.</p><p> </p><p>Also remember recoil will be noticably more for the 375. Adding 50 grains of bullet weight at roughly the same velocity will make a difference on how the rifle comes back at you.</p></blockquote><p></p>
[QUOTE="Fiftydriver, post: 252880, member: 10"] I would say the edge would get you 2800-2850 fps in a 30" barrel with the 350 gr bullet, POSSIBLY. From my testing, a 338 and a 375 with the same case capacity will drive a 300 gr SMK and a 350 gr SMK to roughly the same velocity respectively. For example, in a 30" barrel, the 338 Edge will get you around 2850 fps, the 375 RUM will likely get you around 2800 fps in a 30" barrel. I can not imagine any way that you could get that velocity in a 24" barrel without running extreme pressures. The 375 RUM I used to have, had a 27" barrel and it would drive the 300 gr bullet weights to 2900 fps tops. At that level primer pockets would loosen up at around 4 firings which tells me I should not push things any harder. Basically, if you like the Edge with a 300 gr SMK, the 375 RUM with the 350 gr bullet will do basically the same thing ballistically but with a larger frontal area bullet and higher kenetic energy payload. Also remember recoil will be noticably more for the 375. Adding 50 grains of bullet weight at roughly the same velocity will make a difference on how the rifle comes back at you. [/QUOTE]
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375 vs 338
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