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Rifles, Reloading, Optics, Equipment
Rifles, Bullets, Barrels & Ballistics
Elevation and changing zeros
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<blockquote data-quote="birdrl" data-source="post: 377875" data-attributes="member: 8620"><p>jwp475, thanks for the reply. I am not questioning your answer just trying to figure out why my 100 yard zero changes. I shoot 3 different rifles out to six hundred yards. They all have bushnell elite 6500 scopes with the BDC reticle. They are 1) 358NM 2) 338WM and 3) 338-06. All of them show a significant change in zero, +1 inch, between my sight in elevation at 1000 feet elevation and two different canyons I shoot at for distance, one at 2050 feet elevation and one at 3075 feet elevation. What else could cause that change? All three rifles are bedded and shoot very good groups consistantly. The 358 and the 338WM using Hodgdon powders don't show quite the change as the 338-06 using Reloader 15. Do you think it could be a combination of a change in atmospheric conditions and the powders. I guess I am going to have to get a Kestrel. Thanks</p></blockquote><p></p>
[QUOTE="birdrl, post: 377875, member: 8620"] jwp475, thanks for the reply. I am not questioning your answer just trying to figure out why my 100 yard zero changes. I shoot 3 different rifles out to six hundred yards. They all have bushnell elite 6500 scopes with the BDC reticle. They are 1) 358NM 2) 338WM and 3) 338-06. All of them show a significant change in zero, +1 inch, between my sight in elevation at 1000 feet elevation and two different canyons I shoot at for distance, one at 2050 feet elevation and one at 3075 feet elevation. What else could cause that change? All three rifles are bedded and shoot very good groups consistantly. The 358 and the 338WM using Hodgdon powders don't show quite the change as the 338-06 using Reloader 15. Do you think it could be a combination of a change in atmospheric conditions and the powders. I guess I am going to have to get a Kestrel. Thanks [/QUOTE]
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Rifles, Reloading, Optics, Equipment
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Elevation and changing zeros
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