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Rifles, Reloading, Optics, Equipment
Rifles, Bullets, Barrels & Ballistics
My 338 Sherman Shortmag
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<blockquote data-quote="tim_w" data-source="post: 1462328" data-attributes="member: 11132"><p>I was just looking at some numbers for the much larger Ruger/Hrdy case necked to 338. In general the Ruger case beats the H&H case by 100-120 fps in the 250gr range 26" barrel. Looking at the numbers posted using rl7 and the 250 hybrid they were just getting close to 3K at pressure from 26" barrel. Other powders were about 100 fps less at pressure. They did not have rl25 in there which may have worked with that larger case but still.</p><p></p><p>The numbers here from the 338SS 250 hybrid look to be close to equal to what a 338-375 H&H can do and almost 100 more than a 338 winmag. The 338-375H&H / 340 Weatherby <em>(minus the huge freebore jump and or the 75-80 fps gained with it)</em></p><p></p><p>I am almost certain pressure is likely higher of course with the SS but, by design, it seems to handle it just fine straight wall sharp shoulder and all. Heavier bullets would likely be in favor of these large cases as they can use the slower powders that the SS does not have the volume for but still. WOW!!</p></blockquote><p></p>
[QUOTE="tim_w, post: 1462328, member: 11132"] I was just looking at some numbers for the much larger Ruger/Hrdy case necked to 338. In general the Ruger case beats the H&H case by 100-120 fps in the 250gr range 26" barrel. Looking at the numbers posted using rl7 and the 250 hybrid they were just getting close to 3K at pressure from 26" barrel. Other powders were about 100 fps less at pressure. They did not have rl25 in there which may have worked with that larger case but still. The numbers here from the 338SS 250 hybrid look to be close to equal to what a 338-375 H&H can do and almost 100 more than a 338 winmag. The 338-375H&H / 340 Weatherby [I](minus the huge freebore jump and or the 75-80 fps gained with it)[/I] I am almost certain pressure is likely higher of course with the SS but, by design, it seems to handle it just fine straight wall sharp shoulder and all. Heavier bullets would likely be in favor of these large cases as they can use the slower powders that the SS does not have the volume for but still. WOW!! [/QUOTE]
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Rifles, Reloading, Optics, Equipment
Rifles, Bullets, Barrels & Ballistics
My 338 Sherman Shortmag
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