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Rifles, Reloading, Optics, Equipment
Long Range Scopes and Other Optics
Dead on at 100yds 4inches right at 400yds
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<blockquote data-quote="Gcan" data-source="post: 2003359" data-attributes="member: 102867"><p>Well my 2 cents. Without answers to my fist questions, Id suggest shooting the gun @600-1000 yrds. If the POI continues to move away, and its a gun that never did this before Id say scope mounting is off. As to anyone's form causing this, if a person's form is bad it is not usually consistently bad with good results. We'd be seeing flyers. If you shoot a 3/8 moa group @ 100 and 400 but the 400 group is 1moa right or left then its not form or spin drift. It doesn't take much wind to move a group but the wind would need to be perfectly steady To shoot a good group so I'd rule out wind. </p><p></p><p>Without shooting the gun at farther distances to prove or disprove the shift, it's not something that can be definitively diagnosed, assuming of course your scope really is level. Before Id begin with adj mounts or moving my scope, Id shoot it farther or you may tune out a 100-400 yard problem but not remedy the cause. </p><p>if the scope truly is level, and the groups continue to be sub moa but shift is 1moa or more away per 100 yards, and If the gun or barrel is new, I'd be thinking barrel indexing. BWDIK</p></blockquote><p></p>
[QUOTE="Gcan, post: 2003359, member: 102867"] Well my 2 cents. Without answers to my fist questions, Id suggest shooting the gun @600-1000 yrds. If the POI continues to move away, and its a gun that never did this before Id say scope mounting is off. As to anyone’s form causing this, if a person’s form is bad it is not usually consistently bad with good results. We’d be seeing flyers. If you shoot a 3/8 moa group @ 100 and 400 but the 400 group is 1moa right or left then its not form or spin drift. It doesn’t take much wind to move a group but the wind would need to be perfectly steady To shoot a good group so I‘d rule out wind. Without shooting the gun at farther distances to prove or disprove the shift, it’s not something that can be definitively diagnosed, assuming of course your scope really is level. Before Id begin with adj mounts or moving my scope, Id shoot it farther or you may tune out a 100-400 yard problem but not remedy the cause. if the scope truly is level, and the groups continue to be sub moa but shift is 1moa or more away per 100 yards, and If the gun or barrel is new, I’d be thinking barrel indexing. BWDIK [/QUOTE]
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Rifles, Reloading, Optics, Equipment
Long Range Scopes and Other Optics
Dead on at 100yds 4inches right at 400yds
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