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Rifles, Reloading, Optics, Equipment
Rifles, Bullets, Barrels & Ballistics
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<blockquote data-quote="AlaskaIsGodsCountry" data-source="post: 441497" data-attributes="member: 24911"><p>All,</p><p> </p><p>I'm going on a hunt at a altitude that is significantly higher then the elevation that I am sighting in at. Shooting distance is anticpated to be 400-500 yards. I'm sighting in at 2700 feet whereas my hunt will be at +14,000 feet. </p><p> </p><p>How do I calibrate my ballistic turrent for the higher elevation to take out some of the guesswork for holding over? How do I account for the significantly different trajectories at the hunting elevation verses my present altitude that I am sighting in at? I typically sight in so my zero distance is 300 yards which means I need to be about 3 inches high at 100 yards (2700 feet elevation). If I want a 300 zero distance at the planned hunting elevation, the 100 yard path is at 2.5 inches high at the elevation according to JBM ballistics. Does that mean I sight in at 2.5 inches high at 100 at 2700 feet? I don't think its that easy.</p><p> </p><p>Thanks for the feedback. I am so confused.</p></blockquote><p></p>
[QUOTE="AlaskaIsGodsCountry, post: 441497, member: 24911"] All, I'm going on a hunt at a altitude that is significantly higher then the elevation that I am sighting in at. Shooting distance is anticpated to be 400-500 yards. I'm sighting in at 2700 feet whereas my hunt will be at +14,000 feet. How do I calibrate my ballistic turrent for the higher elevation to take out some of the guesswork for holding over? How do I account for the significantly different trajectories at the hunting elevation verses my present altitude that I am sighting in at? I typically sight in so my zero distance is 300 yards which means I need to be about 3 inches high at 100 yards (2700 feet elevation). If I want a 300 zero distance at the planned hunting elevation, the 100 yard path is at 2.5 inches high at the elevation according to JBM ballistics. Does that mean I sight in at 2.5 inches high at 100 at 2700 feet? I don't think its that easy. Thanks for the feedback. I am so confused. [/QUOTE]
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