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Rifles, Reloading, Optics, Equipment
Reloading
243 Ackley and H4350?
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<blockquote data-quote="65WSM" data-source="post: 817347" data-attributes="member: 9551"><p>Which Hodgdon 4350 do you have. My recent experience with 6mm Remington says that your burn rate is about right for 100 gr bullets. You will get more velocity from a modern double base powder. I have found SuperPerformance fast with 95gr Ballistic Tips and 90 bergers in my 10 twist barrel. VV N560 will also give you more velocity. IMR 100V is fast with lighter bullets 87 and 90 gr. </p><p></p><p>The original Hodgdon 4350 was surplus, intended for 50 cal military ammo. Weatherby launched his company loading surplus 4350 in his bottle sehaped cartridges like .257, 270, 7mm Weatherby. This was part of the original IMR series manufactured in Delaware by DuPont.</p><p></p><p>The second source was CIL in Canada. IMR announced that they would build a new facility to make powder in Virginia but I have never seen any product from USA that was not made by DuPont.</p><p></p><p>My most recent IMR powders have been made by the French owned ADI in Australia. </p><p></p><p>A lot of data for H-4350 is old and does not match the currently available components. I suspect the formula has also been updated. I get more zoom out of the same charge of ADI IMR 4831 than I did with CIL H-4831. </p><p></p><p>Because of conflicting origins the Tech at Sierra may have been cautious with H-4350. I would be.</p><p>.</p></blockquote><p></p>
[QUOTE="65WSM, post: 817347, member: 9551"] Which Hodgdon 4350 do you have. My recent experience with 6mm Remington says that your burn rate is about right for 100 gr bullets. You will get more velocity from a modern double base powder. I have found SuperPerformance fast with 95gr Ballistic Tips and 90 bergers in my 10 twist barrel. VV N560 will also give you more velocity. IMR 100V is fast with lighter bullets 87 and 90 gr. The original Hodgdon 4350 was surplus, intended for 50 cal military ammo. Weatherby launched his company loading surplus 4350 in his bottle sehaped cartridges like .257, 270, 7mm Weatherby. This was part of the original IMR series manufactured in Delaware by DuPont. The second source was CIL in Canada. IMR announced that they would build a new facility to make powder in Virginia but I have never seen any product from USA that was not made by DuPont. My most recent IMR powders have been made by the French owned ADI in Australia. A lot of data for H-4350 is old and does not match the currently available components. I suspect the formula has also been updated. I get more zoom out of the same charge of ADI IMR 4831 than I did with CIL H-4831. Because of conflicting origins the Tech at Sierra may have been cautious with H-4350. I would be. . [/QUOTE]
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243 Ackley and H4350?
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