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Rifles, Reloading, Optics, Equipment
Long Range Scopes and Other Optics
would scope cant cause this??
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<blockquote data-quote="Gunpoor" data-source="post: 745802" data-attributes="member: 8358"><p>When bullets are changed internal ballistics change also and that includes barrel harmonics. A rifle barrel is not stationary during firing, the barrel whips in a figure 8 pattern that is not noticeable to the shooter or onlookers. The exit from the barrel may not happen at the same place during this minute barrel dance causing a different POI. If your rifle groups well at 100 yds and the group moves 12" horizontally at 300 I would attribute this to wind drift. Small/light bullets will drift easily with the wind. I have found that out shooting prairie dogs with light bullets with small bore rifles.</p></blockquote><p></p>
[QUOTE="Gunpoor, post: 745802, member: 8358"] When bullets are changed internal ballistics change also and that includes barrel harmonics. A rifle barrel is not stationary during firing, the barrel whips in a figure 8 pattern that is not noticeable to the shooter or onlookers. The exit from the barrel may not happen at the same place during this minute barrel dance causing a different POI. If your rifle groups well at 100 yds and the group moves 12" horizontally at 300 I would attribute this to wind drift. Small/light bullets will drift easily with the wind. I have found that out shooting prairie dogs with light bullets with small bore rifles. [/QUOTE]
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Rifles, Reloading, Optics, Equipment
Long Range Scopes and Other Optics
would scope cant cause this??
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