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Rifles, Reloading, Optics, Equipment
Reloading
4000 fps in a 7mm STW w/140 Bullet?
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<blockquote data-quote="Bart B" data-source="post: 777447" data-attributes="member: 5302"><p>That load of 76 grains of 7828 has a peak pressure spread of about 6,000 psi. I didn't see what the muzzle velocity spread was about the 3375 fps average. Such spreads with slow powders are very normal and usually cause greater muzzle velocity spreads than a faster powder at the same average peak pressure.</p></blockquote><p></p>
[QUOTE="Bart B, post: 777447, member: 5302"] That load of 76 grains of 7828 has a peak pressure spread of about 6,000 psi. I didn't see what the muzzle velocity spread was about the 3375 fps average. Such spreads with slow powders are very normal and usually cause greater muzzle velocity spreads than a faster powder at the same average peak pressure. [/QUOTE]
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Rifles, Reloading, Optics, Equipment
Reloading
4000 fps in a 7mm STW w/140 Bullet?
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