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Rifles, Reloading, Optics, Equipment
Long Range Scopes and Other Optics
Scope field evaluations on rokslide
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<blockquote data-quote="Bob Wright" data-source="post: 2976148" data-attributes="member: 104363"><p>Quick trig work shows a .008° angle shift at 100 yards = .5" at 100 yards.</p><p>To accomplish that .008° shift at the scope, rings, bases or pic rail, the shift needs to be .0007" over 5" of the attachment points- anywhere. That does not include the scope internals getting jarred.</p><p>Dropping something onto a hard surface is the same as hitting it with a hammer (controlled).</p><p>So if there is .0007 clearance in screws/holes (there is) or pic rail to ring mounting (there is) or rings to scope tube (usually is) and scope cap screws (there is), that is a lot of opportunity to move something attaching the scope to receiver. The internals of the scope moving adds to that shift.</p><p>Food for thought.</p></blockquote><p></p>
[QUOTE="Bob Wright, post: 2976148, member: 104363"] Quick trig work shows a .008° angle shift at 100 yards = .5" at 100 yards. To accomplish that .008° shift at the scope, rings, bases or pic rail, the shift needs to be .0007" over 5" of the attachment points- anywhere. That does not include the scope internals getting jarred. Dropping something onto a hard surface is the same as hitting it with a hammer (controlled). So if there is .0007 clearance in screws/holes (there is) or pic rail to ring mounting (there is) or rings to scope tube (usually is) and scope cap screws (there is), that is a lot of opportunity to move something attaching the scope to receiver. The internals of the scope moving adds to that shift. Food for thought. [/QUOTE]
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Rifles, Reloading, Optics, Equipment
Long Range Scopes and Other Optics
Scope field evaluations on rokslide
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