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Old November 1, 2021, 09:38 PM   #1
KMO
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S&W 686 Rear Sight Adjustment

So, I received my model 686+ back from the S&W factory shop after having the barrel replaced. They ended up installing a complete rear sight assembly in the process of replacing the barrel, so the elevation needed some extreme adjustment when I got it back. The POI was about 12 inches high at just 15 yards. I began lowering the rear blade with the elevation adjustment screw, but it bottomed out before I could get the POI on target. Any ideas on what to do now?
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Old November 1, 2021, 10:07 PM   #2
DMY
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I think you have 3 options:
1. Use faster ammo.
2. Replace the rear sight blade (or cut it deeper).
3. Replace the front sight blade with a taller one.
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Old November 1, 2021, 10:39 PM   #3
Nick_C_S
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Quote:
Use faster ammo
No ammo is going to be fast enough to move poi by 12 inches in 15 yards.

I'd call Smith & Wesson.
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Old November 2, 2021, 01:04 AM   #4
KMO
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Quote:
No ammo is going to be fast enough to move poi by 12 inches in 15 yards.
To be fair, 12 inches was the starting point. By the time I ran out of adjustment travel, I was able to cut that in half. So, with the rear blade fully adjusted downward, the POI was still high by 6 inches.
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Old November 2, 2021, 06:27 AM   #5
rodfac
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The obvious solution is to send it back to S&W....the 'fix' has resulted in sights which are not usable. Since they didn't shoot it to check for sight registration, you may get it back in a short amt. of time. Changing the front or rear sight puts you as the culprit. Rod
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Old November 2, 2021, 07:56 AM   #6
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Yep. Fill out the form again. They are pretty responsive.
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Old November 3, 2021, 11:09 AM   #7
KMO
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Sorry, Men...

I feel bad for leaving out one detail. Perhaps senility is kicking in over here in AZ... I remembered after posting here that when I got my 686 back from S&W with the new 3" barrel I purchased, they included with my revolver my original rear sight assembly, sent back in a bag, and a brand new assembly was on the revolver. I never asked for that, so I just set it aside in my case. I pulled out the original sight assembly, and the new one has a distinctly taller blade. I'm perplexed about why they would do this as part of a barrel replacement, but my original blade is very obviously shorter. I quickly swapped out the two assemblies, and I'm guessing my high POI problem is now remedied. I'll go out & check it in a day or two...
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