Tennessee Deer Talk: sighting a scope.. adjustment question

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#499110 - 11/19/07 12:42 PM

sighting a scope.. adjustment question

Nyper
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I'm having a brain fart here.. can't really wrap my mind around this.

A rifle is zeroed in at 100 yards. At 150 yards it's 1.5" low. At 200 yards it's 4.25" low.

Assuming 1/4" adjustments on the scope, what would be the adjustment to zero it at 200 yards? 17 clicks? No way.. Would it simply depend on the ballistics/trajectory?

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#499123 - 11/19/07 12:50 PM

Re: sighting a scope.. adjustment question [Re: Nyper]

muddyboots
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8 clicks i think. Which would make it 2 inches high at a 100 and that puts my gun dead on at 200.

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#499139 - 11/19/07 01:08 PM

Re: sighting a scope.. adjustment question [Re: muddyboots]

Nyper
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Originally Posted By: muddyboots

8 clicks i think. Which would make it 2 inches high at a 100 and that puts my gun dead on at 200.

Well.. we aren't talking about your gun.

But I see what you're saying. 17 clicks as I initially said would raise it 4.25" at 100 yards...

To see how many clicks it'd take to zero it at 200 yards, I'd need to know the ballistics... would need to know if it's zeroed at 200 yards, how high it would be at 100. Makes sense now...

Zeroed at 200 yards, I should be 1.6" high at 100 yards. So looks like I would have to move it up 6-7 clicks theoretically. I don't plan on moving it at all.. was just curious. $\:\)$

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#499305 - 11/19/07 02:39 PM

Re: sighting a scope.. adjustment question [Re: Nyper]

smstone22
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Registered: 01/11/04
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Loc: Allardt, TN

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Depends on if you zero for 200 at 100 or for 200 at 200? If you zero for 200 at 200 your adjustments wil go to 1/2 inch so you will need about 8 clicks. If you zero for 200 at 100 then you will need 17 clicks. Edited to say i THINK thats right.

Edited by steven stone (11/19/07 02:39 PM)

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#499430 - 11/19/07 04:11 PM

Re: sighting a scope.. adjustment question [Re: smstone22]

MsuFinProf
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Registered: 04/16/04
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Loc: Murray, KY

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If 1 click is 1/4" at 100 yards, you would need half as many clicks at 200 yards (about 8 in this case) or twice as many clicks at 50 yards.

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