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Hunting
Long Range Hunting & Shooting
Elevation levels for sighting in a rifle
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<blockquote data-quote="BrentM" data-source="post: 978511" data-attributes="member: 61747"><p>I have a cosine angle chart on my rifle that allows me to deduct x yards per 100 yards depending on slope percentage. In the event of a electronic gadget failure.</p><p> </p><p>5 = -1</p><p>10 = -2</p><p>15 = -4</p><p>20 = -6</p><p>25 = -9</p><p>30 = -13</p><p>35 = -18</p><p> </p><p>If you zero'd at 300 yards with a 10 degree slope you would subract 6 yards, your real zero would be 294 yards. </p><p> </p><p>As said before the slope at short distances generally is not that that big of a deal, so lets you say you zeroed at 100 yards with a 35 slope. You are zeroing at 82 yards. If you shot 1000 yards with 82 zero but used 100 as your zero the difference is .1 MOA. However, if you do that at 200 yards, your actual sight in distance is 164. The MOA change at 1000 is .5 moa.</p></blockquote><p></p>
[QUOTE="BrentM, post: 978511, member: 61747"] I have a cosine angle chart on my rifle that allows me to deduct x yards per 100 yards depending on slope percentage. In the event of a electronic gadget failure. 5 = -1 10 = -2 15 = -4 20 = -6 25 = -9 30 = -13 35 = -18 If you zero'd at 300 yards with a 10 degree slope you would subract 6 yards, your real zero would be 294 yards. As said before the slope at short distances generally is not that that big of a deal, so lets you say you zeroed at 100 yards with a 35 slope. You are zeroing at 82 yards. If you shot 1000 yards with 82 zero but used 100 as your zero the difference is .1 MOA. However, if you do that at 200 yards, your actual sight in distance is 164. The MOA change at 1000 is .5 moa. [/QUOTE]
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Elevation levels for sighting in a rifle
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