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<blockquote data-quote="Stevewix" data-source="post: 553752" data-attributes="member: 10174"><p>Oak Flat, I'll share my experience. It may or may not be factual, but it's what I've observed.</p><p> </p><p>Barrel temp matters most when considering ammunition. Specifically, temperature sensitivity of the powder and primer combined with how long the round 'cooks' in the chamber.</p><p> </p><p>There are smaller variables that will likely come down to matter of opinion. If the bedding job isn't 'stress free', there will likely be a POI shift. In addition to this, pressure pointed barrels that are accurate on a cold bore will likely suffer a POI shift.</p><p> </p><p>This said, if the barrel is floated and the bedding job is stress-free, the only change from a 'warm' barrel, I.e. 2 to 5 shots should come from additional velocity from heating of the powder inside the ammunition.</p></blockquote><p></p>
[QUOTE="Stevewix, post: 553752, member: 10174"] Oak Flat, I'll share my experience. It may or may not be factual, but it's what I've observed. Barrel temp matters most when considering ammunition. Specifically, temperature sensitivity of the powder and primer combined with how long the round 'cooks' in the chamber. There are smaller variables that will likely come down to matter of opinion. If the bedding job isn't 'stress free', there will likely be a POI shift. In addition to this, pressure pointed barrels that are accurate on a cold bore will likely suffer a POI shift. This said, if the barrel is floated and the bedding job is stress-free, the only change from a 'warm' barrel, I.e. 2 to 5 shots should come from additional velocity from heating of the powder inside the ammunition. [/QUOTE]
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