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Rifles, Reloading, Optics, Equipment
Rifles, Bullets, Barrels & Ballistics
How to test bullet expansion?
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<blockquote data-quote="Tank308" data-source="post: 2350232" data-attributes="member: 110051"><p>I'm trying to rap my head around this. If your data says the impact velocity at 500 yds is 2000 fps. Then you load down to where your impact velocity at 100 yds is 2000 fps. Just for bullet expansion test. How is the impact rpm different. I understand rpm formula. Higher muzzle velocity equals higher rpm. Less time of flight I believe. But the OP is trying to duplicate impact velocity. I'm trying. But my hamster wheel is a little rusty.</p></blockquote><p></p>
[QUOTE="Tank308, post: 2350232, member: 110051"] I'm trying to rap my head around this. If your data says the impact velocity at 500 yds is 2000 fps. Then you load down to where your impact velocity at 100 yds is 2000 fps. Just for bullet expansion test. How is the impact rpm different. I understand rpm formula. Higher muzzle velocity equals higher rpm. Less time of flight I believe. But the OP is trying to duplicate impact velocity. I'm trying. But my hamster wheel is a little rusty. [/QUOTE]
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Rifles, Reloading, Optics, Equipment
Rifles, Bullets, Barrels & Ballistics
How to test bullet expansion?
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