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Rifles, Reloading, Optics, Equipment
Rifles, Bullets, Barrels & Ballistics
Results of H50BMG in a .264 Win. Mag.
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<blockquote data-quote="Rifleman97" data-source="post: 2122391" data-attributes="member: 103996"><p>My experience with H50bmg and US869 (similar burn rates) is that they provide incredible velocity in most overbore magnums at the cost of horrendous temp instability.</p><p></p><p>US 869 In my 300 rum my data sheet from my own testing said I had to give up 1.8 fps for every degree F under 70°f baseline. Data sheet says 1.68 but my testing was in a 300 rum so the extra powder That means making a load at 70° and hunting at 0° You lose 115-140 FPS. That's the reason I don't use it unless there's a powder scarcity (like now) because it's less desirable than many other magnum powders.</p><p></p><p>H50bmg has a temp stability of 1.6fps per degree. A tad better, but not suitable for long range hunting applications in my opinion. They work great for practice loads when you're trying to conserve unicorn dust (N570) but they're not stable enough for me to trust for LR work.</p><p></p><p>Good information to have in this powder shortage for sure, just be warned</p></blockquote><p></p>
[QUOTE="Rifleman97, post: 2122391, member: 103996"] My experience with H50bmg and US869 (similar burn rates) is that they provide incredible velocity in most overbore magnums at the cost of horrendous temp instability. US 869 In my 300 rum my data sheet from my own testing said I had to give up 1.8 fps for every degree F under 70°f baseline. Data sheet says 1.68 but my testing was in a 300 rum so the extra powder That means making a load at 70° and hunting at 0° You lose 115-140 FPS. That’s the reason I don’t use it unless there’s a powder scarcity (like now) because it’s less desirable than many other magnum powders. H50bmg has a temp stability of 1.6fps per degree. A tad better, but not suitable for long range hunting applications in my opinion. They work great for practice loads when you’re trying to conserve unicorn dust (N570) but they’re not stable enough for me to trust for LR work. Good information to have in this powder shortage for sure, just be warned [/QUOTE]
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Results of H50BMG in a .264 Win. Mag.
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