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Rifles, Reloading, Optics, Equipment
Reloading
Shooting rest while developing loads
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<blockquote data-quote="Bart B" data-source="post: 498380" data-attributes="member: 5302"><p>I don't understand this at all.</p><p></p><p>All the round steel parts with holes in them I've measured with precision pin gages get larger hole diameters when they get warm. They get larger as heat goes up. They only get smaller as they cool down.</p><p></p><p>What physics and properties with steel are there that causes a rifle barrel bore (as you state above) to get smaller as it first heats up then get larger with more heating?</p></blockquote><p></p>
[QUOTE="Bart B, post: 498380, member: 5302"] I don't understand this at all. All the round steel parts with holes in them I've measured with precision pin gages get larger hole diameters when they get warm. They get larger as heat goes up. They only get smaller as they cool down. What physics and properties with steel are there that causes a rifle barrel bore (as you state above) to get smaller as it first heats up then get larger with more heating? [/QUOTE]
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Rifles, Reloading, Optics, Equipment
Reloading
Shooting rest while developing loads
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