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Rifles, Reloading, Optics, Equipment
Reloading
barrel break-in [280 ackley]
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<blockquote data-quote="MudRunner2005" data-source="post: 952026" data-attributes="member: 12995"><p>This happens with all Ackley calibers, because to get the brass to fill out that larger Ackley chamber, it has to acquire brass from somewhere. So they all pull the neck back a little because the case walls and shoulder have to expand forward and out during fire-forming. When forming from a regular case to an Ackley Improved version, you will a erage about .020" in height difference. The newly formed Ackley brass being shorter.</p><p></p><p>I wouldn't even look twice at it being .004" short. Now if it was .010" or more, I would be trimming my own brass long, out of regular .280 cases and forming my own.</p></blockquote><p></p>
[QUOTE="MudRunner2005, post: 952026, member: 12995"] This happens with all Ackley calibers, because to get the brass to fill out that larger Ackley chamber, it has to acquire brass from somewhere. So they all pull the neck back a little because the case walls and shoulder have to expand forward and out during fire-forming. When forming from a regular case to an Ackley Improved version, you will a erage about .020" in height difference. The newly formed Ackley brass being shorter. I wouldn't even look twice at it being .004" short. Now if it was .010" or more, I would be trimming my own brass long, out of regular .280 cases and forming my own. [/QUOTE]
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Rifles, Reloading, Optics, Equipment
Reloading
barrel break-in [280 ackley]
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