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Rifles, Reloading, Optics, Equipment
Long Range Scopes and Other Optics
Leveling your scope
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<blockquote data-quote="MontanaRifleman" data-source="post: 256228" data-attributes="member: 11717"><p>Are you really saying that it doesn't matter where the scope is aligned in relation to the bore, or am I misunderstanding you? If you're saying it doesn't matter where the scope is lined up in relation to the bore, then what if we mounted the scope to the side of the receiver/bore? What do you think would happen then?</p><p> </p><p>Here's another explanation from ScopeLevel...</p><p> </p><p><a href="http://www.scopelevel.com/" target="_blank">Scoplevel Anti Cant Leveling Device</a></p><p> </p><p><span style="font-family: 'Arial'"><span style="color: #000080"><span style="font-size: 15px"><strong>Why do we need a level?</strong> </span></span></span></p><p> </p><p><span style="font-family: 'Arial'">Because <strong><u>gravity</u></strong> pulls the bullet straight down, <strong><u>the bullet's path must stay directly above the line of sight.</u></strong></span></p><p><span style="font-family: 'Arial'">For example, if a shooter were to make a 1000 yard shot with a 308 Win. 168 gr. Match bullet at 2600 FPS, the bullet would rise over 13 1/2 feet above the line of sight, or point of aim. Just a 6° cant, or one minute on a clock, will cause a miss of over 36 inches at that range.</span></p><p><span style="font-family: 'Arial'">Any amount of cant has a negative effect because the trajectory of the bullet will miss the vertical alignment above the line of sight.</span></p><p><span style="font-family: 'Arial'">So, the shooter today needs a level for the same reason as the old-time open sight rifle shooters needed them...FOR ACCURACY.</span></p><p><span style="font-family: 'Arial'"><img src="http://www.scopelevel.com/images/trajectory.jpg" alt="" class="fr-fic fr-dii fr-draggable " style="" /></span></p><p></p><p></p><p></p><p><strong><u><span style="font-family: 'Arial'">"...the bullet's path must stay directly above the line of sight."</span></u></strong></p><p></p><p><span style="font-family: 'Arial'">That is another way of saying the scope must be "plumb" (directley above) with the bore (bullet's path)</span></p></blockquote><p></p>
[QUOTE="MontanaRifleman, post: 256228, member: 11717"] Are you really saying that it doesn't matter where the scope is aligned in relation to the bore, or am I misunderstanding you? If you're saying it doesn't matter where the scope is lined up in relation to the bore, then what if we mounted the scope to the side of the receiver/bore? What do you think would happen then? Here's another explanation from ScopeLevel... [URL="http://www.scopelevel.com/"]Scoplevel Anti Cant Leveling Device[/URL] [FONT=Arial][COLOR=#000080][SIZE=4][B]Why do we need a level?[/B] [/SIZE][/COLOR][/FONT] [FONT=Arial]Because [B][U]gravity[/U][/B] pulls the bullet straight down, [B][U]the bullet's path must stay directly above the line of sight.[/U][/B][/FONT] [FONT=Arial]For example, if a shooter were to make a 1000 yard shot with a 308 Win. 168 gr. Match bullet at 2600 FPS, the bullet would rise over 13 1/2 feet above the line of sight, or point of aim. Just a 6° cant, or one minute on a clock, will cause a miss of over 36 inches at that range.[/FONT] [FONT=Arial]Any amount of cant has a negative effect because the trajectory of the bullet will miss the vertical alignment above the line of sight.[/FONT] [FONT=Arial]So, the shooter today needs a level for the same reason as the old-time open sight rifle shooters needed them...FOR ACCURACY.[/FONT] [FONT=Arial][IMG]http://www.scopelevel.com/images/trajectory.jpg[/IMG][/FONT] [B][U][FONT=Arial]"...the bullet's path must stay directly above the line of sight."[/FONT][/U][/B] [FONT=Arial]That is another way of saying the scope must be "plumb" (directley above) with the bore (bullet's path)[/FONT] [/QUOTE]
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