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Rifles, Reloading, Optics, Equipment
Gunsmithing
Factory Head Space
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<blockquote data-quote="MagnumManiac" data-source="post: 1177225" data-attributes="member: 10755"><p>This is why QL is, at best, a very poor guesstimate, it DOES NOT take into account how much throat you have, how big your chamber is, I know I know, it uses the H2O capacity of a fired case, but unless this case is super tight, it's not quite right.</p><p>Anyway, primers protruding is normally a sign of low pressure, not high pressure.</p><p>You make no mention of the load you are using. This will help.</p><p>I have a pressure trace, I have seen long throated factory barrels consume 5gr over any listed max before even approaching max pressure, this is why the factories long throat their barrels, so you don't get excessive pressures with manual listed loads.</p><p></p><p>Cheers.</p><p>gun)</p></blockquote><p></p>
[QUOTE="MagnumManiac, post: 1177225, member: 10755"] This is why QL is, at best, a very poor guesstimate, it DOES NOT take into account how much throat you have, how big your chamber is, I know I know, it uses the H2O capacity of a fired case, but unless this case is super tight, it's not quite right. Anyway, primers protruding is normally a sign of low pressure, not high pressure. You make no mention of the load you are using. This will help. I have a pressure trace, I have seen long throated factory barrels consume 5gr over any listed max before even approaching max pressure, this is why the factories long throat their barrels, so you don't get excessive pressures with manual listed loads. Cheers. gun) [/QUOTE]
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