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Rifles, Reloading, Optics, Equipment
Reloading
H4350 or IMR4350?
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<blockquote data-quote="BallisticsGuy" data-source="post: 1787971" data-attributes="member: 96226"><p>IMR is not H. They're different powders, only the names are similar. </p><p></p><p>I can tell you one thing, if you get 1 granule of IMR4350 in a case full of H4350 that would normally be totally pressure safe, you'll see pressures jump right up to primer popping levels. Ask me how I know.</p><p></p><p>In 6XC with 115's I had to drop a full grain in charge weight to go to IMR4350 and it was running pressures way higher than H4350 was.</p><p></p><p>DO NOT THINK THEY'RE ANYTHING ALIKE JUST BECAUSE THE NUMBER IS THE SAME.</p></blockquote><p></p>
[QUOTE="BallisticsGuy, post: 1787971, member: 96226"] IMR is not H. They're different powders, only the names are similar. I can tell you one thing, if you get 1 granule of IMR4350 in a case full of H4350 that would normally be totally pressure safe, you'll see pressures jump right up to primer popping levels. Ask me how I know. In 6XC with 115's I had to drop a full grain in charge weight to go to IMR4350 and it was running pressures way higher than H4350 was. DO NOT THINK THEY'RE ANYTHING ALIKE JUST BECAUSE THE NUMBER IS THE SAME. [/QUOTE]
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Rifles, Reloading, Optics, Equipment
Reloading
H4350 or IMR4350?
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