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Anyone use a 243/6mm caliber for blackies?
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<blockquote data-quote="Engineering101" data-source="post: 1283151" data-attributes="member: 63138"><p>walkup</p><p> </p><p>My favoring the 6mm Rem over the 6mm WSM would be based on a rule of diminishing returns. I suspect that the later would be a barrel burner on par with the 26 Nosler while achieving very little real world gain in performance. it is just too extreme. A case in point - in Nosler's reloading manual number 8 the 240 Weatherby is ~ 91 fps faster than the 6mm Rem while burning 53 grains of RL-22 to the 6mm Rem's 48 grains. Those are max loads for both with 100 grain bullets and 24 inch barrels. So 5 grains of powder gets you less barrel life and 91 fps. Not worth it in my book. Since the 6mm WSM is a wildcat (another problem) I don't have numbers for it but I suspect it has even less gain per grain of powder than the 240 Weatherby. You could get at least 63 grains of RL-22 in a 6mm WSM case and it all still has to go down the same skinny little tube. Another way of putting it. I'm running RL-50 in my 6.5 WSM. It is the slowest powder you can buy so you have no where to go for a slower powder in the 6mm WSM.</p></blockquote><p></p>
[QUOTE="Engineering101, post: 1283151, member: 63138"] walkup My favoring the 6mm Rem over the 6mm WSM would be based on a rule of diminishing returns. I suspect that the later would be a barrel burner on par with the 26 Nosler while achieving very little real world gain in performance. it is just too extreme. A case in point - in Nosler's reloading manual number 8 the 240 Weatherby is ~ 91 fps faster than the 6mm Rem while burning 53 grains of RL-22 to the 6mm Rem's 48 grains. Those are max loads for both with 100 grain bullets and 24 inch barrels. So 5 grains of powder gets you less barrel life and 91 fps. Not worth it in my book. Since the 6mm WSM is a wildcat (another problem) I don't have numbers for it but I suspect it has even less gain per grain of powder than the 240 Weatherby. You could get at least 63 grains of RL-22 in a 6mm WSM case and it all still has to go down the same skinny little tube. Another way of putting it. I'm running RL-50 in my 6.5 WSM. It is the slowest powder you can buy so you have no where to go for a slower powder in the 6mm WSM. [/QUOTE]
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Anyone use a 243/6mm caliber for blackies?
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