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Sighting Iron Sights

This is a discussion on Sighting Iron Sights within the Ruger 10/22 Rimfire forums, part of the Rifle & Shotgun Forum category; My new 10/22 hits 2-1/2 inches to the left at 50 yds. The instruction manual says to" tap the sight base in the direction you ...


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Old March 30th, 2012, 01:18 PM   #1
 
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Sighting Iron Sights

My new 10/22 hits 2-1/2 inches to the left at 50 yds. The instruction manual says to" tap the sight base in the direction you wish to move the point of bullet impact". But it doesn't say how much to move the sight base. Any suggestions would be appreciated. Thanks.



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Old March 30th, 2012, 01:27 PM   #2
 
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It's a trial and error process. Move the rear sight to the left a bit, fire 2 or three shots at the target (from a target bench or other good rest) If you need to move the sight more to the left, try a couple more taps. If you moved it too far to the left the first time, tap it to the left a little.
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Old March 30th, 2012, 01:31 PM   #3
 
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Quote:
Originally Posted by Madrid View Post
It's a trial and error process. Move the rear sight to the left a bit, fire 2 or three shots at the target (from a target bench or other good rest) If you need to move the sight more to the left, try a couple more taps. If you moved it too far to the left the first time, tap it to the left a little.
If the bullet is impacting to the left of the point of aim he needs to move the rear sight to the RIGHT.
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Old March 30th, 2012, 01:44 PM   #4
 
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I just went through the same issue. Not being the sharpest tool in the tool box I had to look up on the internet and found this which helps me keep it straight:

“The secret to adjusting iron sights lies in remembering that the goal of any movement of the sight is to cause the shooter, when a proper sight picture has been attained, to shift the muzzle of the firearm in the desired direction. The objective is to move the sights either vertically or horizontally so as to effect a concomitant horizontal or vertical movement of the muzzle. The “trick” to this is remembering that movement of the front sight and rear sights have different effects on which way the muzzle will move in reaction to sight adjustment. To do so, we use the mnemonic “FORS”, which stands for “Front Opposite, Rear Same”. This means that to make an adjustment using the front sight, we move it in the OPPOSITE direction from where we want the shot group to move, and if we are using the rear sight to make the adjustment, we move it the SAME direction as we want the shot group to move.”
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Old March 30th, 2012, 03:35 PM   #5
 
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Get your elevation dialed in first, then start the windage adjustments. Do 3-shot groups not just a single shot.
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Old March 30th, 2012, 05:13 PM   #6
 
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Quote:
Originally Posted by mnh2obuff View Post
I just went through the same issue. Not being the sharpest tool in the tool box I had to look up on the internet and found this which helps me keep it straight:

“The secret to adjusting iron sights lies in remembering that the goal of any movement of the sight is to cause the shooter, when a proper sight picture has been attained, to shift the muzzle of the firearm in the desired direction. The objective is to move the sights either vertically or horizontally so as to effect a concomitant horizontal or vertical movement of the muzzle. The “trick” to this is remembering that movement of the front sight and rear sights have different effects on which way the muzzle will move in reaction to sight adjustment. To do so, we use the mnemonic “FORS”, which stands for “Front Opposite, Rear Same”. This means that to make an adjustment using the front sight, we move it in the OPPOSITE direction from where we want the shot group to move, and if we are using the rear sight to make the adjustment, we move it the SAME direction as we want the shot group to move.”
If I would have used that when I was an instructor I would have had a vote of no confidence.
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Old March 30th, 2012, 05:22 PM   #7
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countrygun is correct. Move the sight in the direction you want the bullet to go. Also, with open sights , a little can go more than you might think.
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Old March 30th, 2012, 05:29 PM   #8
 
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Simple to remember. Move the front sight TO the point of impact, move the rear sight AWAY from the point of impact.
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Old March 31st, 2012, 06:48 AM   #9
 
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I appreciate the input but am somewhat confused.Countrygun do you mean "the point of impact" being where the bullets are hitting or the "desired point of impact-the bullseye"?
It would seem that the rear sight should be moved towards the point of impact not toward the bullseye. Putting a straight dowel from the rear to front sights shows me that I should move the rear sight in the direction of where the bullets are hitting.
Is this correct? Thanks
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Old March 31st, 2012, 07:16 AM   #10
 
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That's the idea.

If you want your bullets to hit more to the right, move the rear sight to the right. If you want your bullets to hit more to the left, move your rear sight to the left.

Elevation is the same. If you want your bullets to hit lower, move your rear sight down. if you want your bullets to hit higher, mover your rear sight up.

Always move your rear sight in the direction you want the bullets to go.
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Old March 31st, 2012, 07:30 AM   #11
 
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NORTH COUNTRY GAL,
My bullets are hitting 2 inches to the left of the bullseye. Do you mean that I should move the rear sight to the right in order to be on the bullseye?
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Old March 31st, 2012, 07:36 AM   #12
 
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Correct. You want your bullets to go the right, so move your rear sight to the right. On open sights like that it is a "by guess and by golly" as to how much, but as some of the other have posted, doesn't take much. I usually just make a mark on the sight and barrel with a pencil and check how much the two marks separate to track progress. Or, you can just take a few taps and fire for effect. Really very simple process, once you've done it a time or two. Good luck.
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Old March 31st, 2012, 07:36 AM   #13
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Move the rear in the direction you want the bullet to go. If you are shooting to the left, then you move your rear sight to the right. Hold your gun up and aim at something. Now mentally visualize your rear sight to the right, ok. now you have to move the muzzle to the right to line up the sight picture again.

Last edited by grandpabear; March 31st, 2012 at 07:40 AM.
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Old March 31st, 2012, 08:27 AM   #14
 
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Quote:
Originally Posted by kniejadlik View Post
I appreciate the input but am somewhat confused.Countrygun do you mean "the point of impact" being where the bullets are hitting or the "desired point of impact-the bullseye"?
It would seem that the rear sight should be moved towards the point of impact not toward the bullseye. Putting a straight dowel from the rear to front sights shows me that I should move the rear sight in the direction of where the bullets are hitting.
Is this correct? Thanks
For future reference the "desired point of impact" is generally referred to as the "Point of aim" where the bullet actually strikes is the "point of impact".
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Old April 3rd, 2012, 01:12 PM   #15
 
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Thanks for all the input.
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