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The Basics, Starting Out
Cold-bore variation . . . ?
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<blockquote data-quote="dfanonymous" data-source="post: 1374836" data-attributes="member: 97050"><p>old bore deviation is a thing. Back in the day (snipers) we'd use a data book and note the offset for cold bore and add it into the solution or hold on it. Now days there are apps with that will say cold bore, or zero offset that you can plug that deviation into and it will correct it into the solution.</p><p>Reasoning is like usual, the steel tolerance heating up, flexing the action and the stock, fouling in the barrel, and causing a slight harmonic deviation. The only issue with that is when it isn't consistent. If its consistent than you can compensate for it.</p></blockquote><p></p>
[QUOTE="dfanonymous, post: 1374836, member: 97050"] old bore deviation is a thing. Back in the day (snipers) we'd use a data book and note the offset for cold bore and add it into the solution or hold on it. Now days there are apps with that will say cold bore, or zero offset that you can plug that deviation into and it will correct it into the solution. Reasoning is like usual, the steel tolerance heating up, flexing the action and the stock, fouling in the barrel, and causing a slight harmonic deviation. The only issue with that is when it isn't consistent. If its consistent than you can compensate for it. [/QUOTE]
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Cold-bore variation . . . ?
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