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Rifles, Reloading, Optics, Equipment
Rifles, Bullets, Barrels & Ballistics
4,000+ fps How Long to Burn the Barrel
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<blockquote data-quote="Loner" data-source="post: 552187" data-attributes="member: 24560"><p>I was being serious, maybe a little over generous with the time for a real hot round.</p><p>But a 220 swift or .243 with 55 grainers will have around a 1 second barrel life. I was</p><p>just letting him do the math. 24 inch barrel 2ft/4000fps=.0005 seconds for each round</p><p>in the barrel. .0005x2000=1 second . 2000 Being the rounds fired. That also is being</p><p>generous for those rounds. 3 Seconds is the generalized .308 barrel life with 2700fps</p><p>and 4000 rounds.</p></blockquote><p></p>
[QUOTE="Loner, post: 552187, member: 24560"] I was being serious, maybe a little over generous with the time for a real hot round. But a 220 swift or .243 with 55 grainers will have around a 1 second barrel life. I was just letting him do the math. 24 inch barrel 2ft/4000fps=.0005 seconds for each round in the barrel. .0005x2000=1 second . 2000 Being the rounds fired. That also is being generous for those rounds. 3 Seconds is the generalized .308 barrel life with 2700fps and 4000 rounds. [/QUOTE]
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Rifles, Reloading, Optics, Equipment
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4,000+ fps How Long to Burn the Barrel
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