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Hunting
Long Range Hunting & Shooting
Cold gun issues
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<blockquote data-quote="KiwiKeith" data-source="post: 1510492" data-attributes="member: 99486"><p>Agree with Azrael that the barrel is the likely cause. After all, it was the barrel change that started this whole episode. One thought I had is whether the bore is actually centre of the barrel. With unequal material on one side of the bore as opposed to the other there's likely to be an uneven amount of material expansion causing the barrel to bend when it is heated up after the first shot. This will shift the POI. Wondering whether you need to talk with the barrel manufacturer, explaining all the problems you have had, and the measures you've taken to try to mitigate the issue.</p></blockquote><p></p>
[QUOTE="KiwiKeith, post: 1510492, member: 99486"] Agree with Azrael that the barrel is the likely cause. After all, it was the barrel change that started this whole episode. One thought I had is whether the bore is actually centre of the barrel. With unequal material on one side of the bore as opposed to the other there's likely to be an uneven amount of material expansion causing the barrel to bend when it is heated up after the first shot. This will shift the POI. Wondering whether you need to talk with the barrel manufacturer, explaining all the problems you have had, and the measures you've taken to try to mitigate the issue. [/QUOTE]
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