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Hunting
Long Range Hunting & Shooting
Hot temps and High elevation??
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<blockquote data-quote="Rogue Hunter" data-source="post: 1096961" data-attributes="member: 46048"><p>Scopes do fail...</p><p>Have you since checked the tracking of the scope to see if it's returning to zero, and moving the value that you are inputting into it? Shooting and adjusting it on a grid at 100 yards might reveal something.</p><p>Higher temps will increase chamber pressure and velocity. Elevation changes the air density (higher = less) and drag forces that the bullet has to overcome. JBM is typically very accurate when the correct info has been input.</p><p>When I did my Oregon lope hunt in 2011, I saw very little difference in my drops while shooting my .257 Wby. It was zeroed at 300 yards at 1100 ft elevation and 85 degree temps here at home. We were hunting at 5000 ft. with 90 degree temps. Shot my buck at 298 yards (how convenient right?) and drilled him within an inch of my aiming point.</p><p>I would be suspect of the optics, or the human factor behind the gun.</p><p></p><p>Regards,</p><p>-Mike</p></blockquote><p></p>
[QUOTE="Rogue Hunter, post: 1096961, member: 46048"] Scopes do fail... Have you since checked the tracking of the scope to see if it's returning to zero, and moving the value that you are inputting into it? Shooting and adjusting it on a grid at 100 yards might reveal something. Higher temps will increase chamber pressure and velocity. Elevation changes the air density (higher = less) and drag forces that the bullet has to overcome. JBM is typically very accurate when the correct info has been input. When I did my Oregon lope hunt in 2011, I saw very little difference in my drops while shooting my .257 Wby. It was zeroed at 300 yards at 1100 ft elevation and 85 degree temps here at home. We were hunting at 5000 ft. with 90 degree temps. Shot my buck at 298 yards (how convenient right?) and drilled him within an inch of my aiming point. I would be suspect of the optics, or the human factor behind the gun. Regards, -Mike [/QUOTE]
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Hot temps and High elevation??
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