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Rifles, Reloading, Optics, Equipment
Rifles, Bullets, Barrels & Ballistics
Scope Levels- Why?
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<blockquote data-quote="An Idahoan" data-source="post: 1892386" data-attributes="member: 95631"><p>The attached six pages of illustrations attempt to help anyone who is interested in seeing what is going on with the following configurations:</p><p>Scenario 1: Optical axis and bore on same plumb-lines; reticle plumb (page 1)</p><p>Scenario 2: Optical axis and bore on different plumb lines; reticle not plumb (page 2)</p><p>Scenario 3a: Optical axis and bore on different plumb-lines; reticle plumb (page 3)*</p><p>Scenario 3b: Optical axis and bore on different plumb-lines; reticle plumb (page 4)*</p><p>Scenario 3b: Cont'd analysis (page 5)</p><p>Scenario 3b: Cont'd analysis (page 6) [although this illustration could apply to Scenario 3a as well]</p><p>* the difference between scenarios 3a and 3b are only the horizontal zero</p><p></p><p>My hope is that this will help people see that if horizontal zero issues are understood and properly accounted for when zeroing the rifle, someone can shoot a rifle with the optical axis and bore "canted" as long as the reticle consistently plumb (and therefore the need for a level). The advantages for adopting such a setup are:</p><p>1) More comfortable and natural shooter interface with the rifle (not everyone loves a perfectly plumb rifle butt)</p><p>2) Simplifies the scope mounting "problem" therefore saving time and potentially money wasted on devices aimed at solving a problem that doesn't exist.</p><p></p><p>Standing by for questions and counter-fire!</p></blockquote><p></p>
[QUOTE="An Idahoan, post: 1892386, member: 95631"] The attached six pages of illustrations attempt to help anyone who is interested in seeing what is going on with the following configurations: Scenario 1: Optical axis and bore on same plumb-lines; reticle plumb (page 1) Scenario 2: Optical axis and bore on different plumb lines; reticle not plumb (page 2) Scenario 3a: Optical axis and bore on different plumb-lines; reticle plumb (page 3)* Scenario 3b: Optical axis and bore on different plumb-lines; reticle plumb (page 4)* Scenario 3b: Cont'd analysis (page 5) Scenario 3b: Cont'd analysis (page 6) [although this illustration could apply to Scenario 3a as well] * the difference between scenarios 3a and 3b are only the horizontal zero My hope is that this will help people see that if horizontal zero issues are understood and properly accounted for when zeroing the rifle, someone can shoot a rifle with the optical axis and bore "canted" as long as the reticle consistently plumb (and therefore the need for a level). The advantages for adopting such a setup are: 1) More comfortable and natural shooter interface with the rifle (not everyone loves a perfectly plumb rifle butt) 2) Simplifies the scope mounting "problem" therefore saving time and potentially money wasted on devices aimed at solving a problem that doesn't exist. Standing by for questions and counter-fire! [/QUOTE]
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Rifles, Reloading, Optics, Equipment
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Scope Levels- Why?
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