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Rifles, Reloading, Optics, Equipment
Reloading
QL help 270 win
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<blockquote data-quote="Grizzman47" data-source="post: 2997815" data-attributes="member: 125904"><p>I used the case capacity from my .270, an overall length of 3.450", and a case length of 2.540". QL showed a max charge for IMR 7828SSC to be 62.2 grains (at 103.3% case fill) delivering 3128 fps from a 24" barrel. </p><p></p><p>98.8% of the powder was burned within the barrel. Pmax and Z1 are .7" of barrel length apart. Barrel time is 1.106 ms.</p></blockquote><p></p>
[QUOTE="Grizzman47, post: 2997815, member: 125904"] I used the case capacity from my .270, an overall length of 3.450", and a case length of 2.540". QL showed a max charge for IMR 7828SSC to be 62.2 grains (at 103.3% case fill) delivering 3128 fps from a 24" barrel. 98.8% of the powder was burned within the barrel. Pmax and Z1 are .7" of barrel length apart. Barrel time is 1.106 ms. [/QUOTE]
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