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Max Online: 16728 @ 03/25/12 08:51 AM
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#6519316 - 10/31/16 07:21 AM Two shot sight-in question
Texas Dan Online   content
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Registered: 07/28/08
Posts: 11933
Here's a good one for those familiar with the two shot sight in method.

Just to recap, the method begins by taking a shot from a solid rest with the crosshairs on the bullseye. With the gun not yet zeroed but bore sighted, the bullet should hit somewhere on the paper target. Next, the rifle is held in place, again with the crosshairs on the bullseye. The scope sight is then adjusted so the crosshairs match the bullet hole.

So here's the question.

If the final zero is to produce a shot that's one inch high at the distance the shot was made, to what point is the scope adjusted?

My thoughts are to a point one inch below the bullet hole. Correct?

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#6519383 - 10/31/16 08:20 AM Re: Two shot sight-in question [Re: Texas Dan]
P_102 Online   content
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Registered: 09/23/08
Posts: 725
Loc: Grapevine
Correct
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#6519426 - 10/31/16 08:46 AM Re: Two shot sight-in question [Re: Texas Dan]
FiremanJG Online   content
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Registered: 12/16/08
Posts: 20092
Loc: Wolfe City, TX
Bore sight.

Shot one lands somewhere. Measure the windage and elevation error by holding the reticle back on the original point of aim. Make the adjustments to windage and elevation, on the turrets, of where you want the next shot to be.

In a perfect system, meaning extremely tight shooting ammo & rifle, and a perfectly tracking scope, the next shot should land where you want it.

The measurement I was referring to, was with a Mil or MOA reticle. If you don't have that, you'll need graph lines on the paper target you can read through the scope, or you have to go down to the target with a ruler, and measure the error, in inches. Return to the rifle/ scope, and adjust accordingly. Again, in perfectly operate equipment, and a perfect shooter, shot two should land where you want it.
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#6519613 - 10/31/16 10:20 AM Re: Two shot sight-in question [Re: Texas Dan]
cxjcherokec Offline
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Registered: 09/22/09
Posts: 2377
Loc: Azle, TX
Nm I'm said tracked this morning


Edited by cxjcherokec (10/31/16 10:22 AM)

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#6519625 - 10/31/16 10:26 AM Re: Two shot sight-in question [Re: Texas Dan]
postoak Offline
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Registered: 08/19/09
Posts: 2721
Loc: The Woodlands, Tx
I've never found that method useful because I can't see the bullet hole clearly though the rifle scope.
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#6519626 - 10/31/16 10:27 AM Re: Two shot sight-in question [Re: Texas Dan]
cxjcherokec Offline
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Registered: 09/22/09
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It's all relative to the distance sighted in at. Assuming it's at 100 yards and you are using a 1/4 MOA scope, than you would drop the elevation by 4 clicks equalling 1". If it's a closers or father distance it's needs to be adjusted accordingly, and if a SPF scope make sure the adjustment is made at the proper power or just use the turret regardless of magnification.

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#6519630 - 10/31/16 10:27 AM Re: Two shot sight-in question [Re: P_102]
kmon1 Online   content
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Registered: 09/27/06
Posts: 21287
Loc: Texas
Originally Posted By: P_102
Correct


Yup
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#6519640 - 10/31/16 10:31 AM Re: Two shot sight-in question [Re: Texas Dan]
cxjcherokec Offline
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Registered: 09/22/09
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Postoak, use a precision paper target and ruler, measure from aim point to center of bullet hole. Unless you're using a 2x red dot you should be able to find a bullet hole unless it's improperly bore sighted. Pull bolt, look down the bore and center on the down range target. Then adjust scope to center of the target. Unless it's a non bolt action this works the best, it's not use a laser at home against a wall.

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#6519648 - 10/31/16 10:35 AM Re: Two shot sight-in question [Re: Texas Dan]
postoak Offline
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Registered: 08/19/09
Posts: 2721
Loc: The Woodlands, Tx
I'll just stick with the method I've been using for over 50 years. It works fine. I just take note of how and in what direction the bullet is off and adjust the scope accordingly.
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#6519649 - 10/31/16 10:35 AM Re: Two shot sight-in question [Re: cxjcherokec]
postoak Offline
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Registered: 08/19/09
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Loc: The Woodlands, Tx
Originally Posted By: cxjcherokec
Nm I'm said tracked this morning


And what does that mean?
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#6519797 - 10/31/16 11:42 AM Re: Two shot sight-in question [Re: Texas Dan]
cxjcherokec Offline
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Registered: 09/22/09
Posts: 2377
Loc: Azle, TX
I was sidetracked, and posted something completely irrelevant that I meant to post on another thread

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#6519816 - 10/31/16 11:51 AM Re: Two shot sight-in question [Re: Texas Dan]
redchevy Offline
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Registered: 10/25/04
Posts: 25108
Loc: Texas
I understand the principal of the 2 shot method, but it requires a scope that tracks perfectly... many do not. I only own one scope that does. Many of my leupold scopes require a different amount of clicks than their 1/4 inch per click at 100 yards indicates.
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#6519886 - 10/31/16 12:30 PM Re: Two shot sight-in question [Re: Texas Dan]
P_102 Online   content
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Registered: 09/23/08
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redchevy, that's one reason Tx Dan's method of moving crosshairs to the actual POI works well, you're not dependant on 'number of clicks per inch', you simply move the crosshairs till they are where you want them, in his case 1" below POI. ....works no matter what distance you are shooting. The only downside is possibly not having the rifle steady enough while making the adjustment. P_102
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#6519955 - 10/31/16 12:59 PM Re: Two shot sight-in question [Re: P_102]
Jgraider Online   content
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Registered: 06/13/15
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Originally Posted By: P_102
redchevy, that's one reason Tx Dan's method of moving crosshairs to the actual POI works well, you're not dependant on 'number of clicks per inch', you simply move the crosshairs till they are where you want them, in his case 1" below POI. ....works no matter what distance you are shooting. The only downside is possibly not having the rifle steady enough while making the adjustment. P_102



Right on. Been doing it that way for longer than I remember, and I have never had to count clicks.

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#6519966 - 10/31/16 01:07 PM Re: Two shot sight-in question [Re: Texas Dan]
cxjcherokec Offline
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Registered: 09/22/09
Posts: 2377
Loc: Azle, TX
There's definitely not a reason to count clicks but like P_102 said, it's hard to keep it that steady. If a scope won't track, it's gone, period. But not all "hunting" style scopes track like the precision ones

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