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Rifles, Reloading, Optics, Equipment
Rifles, Bullets, Barrels & Ballistics
Crazy 7mm build
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<blockquote data-quote="Chase723" data-source="post: 1798686" data-attributes="member: 21524"><p>That's actually not entirely true. I talked to the guys at Hodgdon about it. The powder that gives you the fastest velocity for a given bullet weight in a cartridge will also be the powder that gives you the fastest velocity in any barrel length with that same bullet weight. It has to do with case volume, bullet weight, charge density, and subsequently generated pressure. That's why I switched to Retumbo from H1000 when I cut 5" off my 7RM and actually picked up 20fps.</p></blockquote><p></p>
[QUOTE="Chase723, post: 1798686, member: 21524"] That’s actually not entirely true. I talked to the guys at Hodgdon about it. The powder that gives you the fastest velocity for a given bullet weight in a cartridge will also be the powder that gives you the fastest velocity in any barrel length with that same bullet weight. It has to do with case volume, bullet weight, charge density, and subsequently generated pressure. That’s why I switched to Retumbo from H1000 when I cut 5” off my 7RM and actually picked up 20fps. [/QUOTE]
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Rifles, Reloading, Optics, Equipment
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Crazy 7mm build
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