Shield Rear Sight Removal - MP-Pistol Forum

Shield Rear Sight Removal

This is a discussion on Shield Rear Sight Removal within the MP SHIELD Pistols forums, part of the Smith & Wesson MP Forum category; Hey y'all; a quick question for the more "seasoned" M&P owners like myself: Is the Shield rear sight that much harder to remove than that ...


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Old June 28th, 2016, 06:50 PM   #1
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Shield Rear Sight Removal

Hey y'all; a quick question for the more "seasoned" M&P owners like myself:

Is the Shield rear sight that much harder to remove than that of the other M&P models?

I've removed them on three of my M&P's (both with a sight pusher, and with a hammer and punch) to install the USB and other Apex parts without issue.

Is there something inherent to the Shield design that warrants extra caution?

Thanks!
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Old June 28th, 2016, 06:55 PM   #2
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Shield Rear Sight Removal

Just use a vise and a big hammer. I didn't have the right tools and finally gave up and took it to a gun Smith. I bought the sights from him and he offered free installation.


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Last edited by blackhawk556; June 28th, 2016 at 08:03 PM.
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Old June 28th, 2016, 07:26 PM   #3
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Originally Posted by blackhawk556 View Post
Just use a vice and a big hammer. I didn't have the right told and finally gave up and took it to a gun Smith. I bought the shifts from him and he offered free installation.


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Thank you, Sir.

I do have a gunsmith's vise and plenty of punches, plus a JMT sight pusher that has moved the rear sights on M&P's with finger pressure only; no Allen wrench required. Almost unbelievable, compared to the force I was using with the vise and hammer/punch method before I got it.

So, it sounds like the Shield rear sights are no more or less difficult to remove than the other M&P Models are...

I have both a standard Shield, and the PC ported Model. I've been thinking about putting a hard sear in my standard frame, and a striker block in the PC upper; then combining the two.

That way I'll have a ported PC Shield with a no TS frame.

AFAIK; S&W doesn't offer the PC Shield without a TS frame.

As a looong time 1911 guy; I can't help but working on/"improving" my pistols.

Last edited by Rick M; June 29th, 2016 at 01:32 PM.
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Old June 29th, 2016, 02:03 AM   #4
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The sights on the Shield can be tight due to their sight base configuration that is different than others. S&W has incorporated a front and rear "ridge" on both sides of the sight base, presumably to assist the hydraulic arbor press to install the sights straight and smooth at the factory. These little ridges seemingly are the culprit.




You can use either punches or a dedicated sight pusher to adjust the sights.

If available you can use a sight tool pusher with the gun specific "shoe" to fit the slide rails.






However, even MGW cautions that their armorer grade tool (shown) is not designed to remove factory “tight” sights.

http://www.midwayusa.com/product/128...m-and-p-shield



Some at Apex Tactical recommend against using any sight tool pushing based on the rear sight design of the Shield.

https://www.youtube.com/watch?v=Gh-e__0bF8Y

If using punches, there are a few important principles:
1. properly secure the slide in a padded / protected vise (copper jaw vise inserts shown) in order for the force of the punch tip to fully deliver its impact to the sight base; do not excessively tighten the vise and deform the slide rails !
2. tape protect the slide and brass punch tips.
3. shape the end of the brass punch with a file to maximize its surface contact with the base of the sight; note the size of the brass punch used on the rear sight.
4. loosen the red loctited 1/16" set screw with a high quality tool so you don't strip the hex engagements.
5. Prior to attempting to move the sights, use a penetrating oil and be patient for a few minutes. Even if you do everything correctly, a brass punch may deform and not displace the sights.









6. As illustrated above a brass punch was deformed; the task may ultimately require a steel punch. Use a tapered "starter" punch as it will deliver the most force to the sight base.




Caution: Pseudo-science and / or amateur photos may be embedded in this post.

Last edited by mp9werks; June 29th, 2016 at 02:17 AM.
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Old June 29th, 2016, 04:01 AM   #5
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I'll find out today. I bought a set of Meprolight True Dot (ML 11766) from Amazon and will have my LGS install them this morning. The guy at LGS has put 2 different front sight on without problems and when asked about the rear sights, said "no problem". So hoping for "no problem(s)".
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Old June 29th, 2016, 05:37 AM   #6
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mp9werks - very thorough answer and I appreciate all the photos too. I didn't trust myself with the "don't overly tighten" on the vise. Too bad they're not like a torque wrench LOL. Anyway, wound up taking mine the the gunsmith just to be safe. Looks like the same sights you're showing - Trijicon HDs.
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Old June 29th, 2016, 07:04 AM   #7
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My Shield's rear sight was about the same as the rear on a 9c I did. My Shield's front sight was much harder to remove than the rear was.

I used a JMT Sight Pusher and when the front sight broke free it did so with a VERY LOUD pop, so loud I thought something had broke!
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Old June 29th, 2016, 12:05 PM   #8
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Quote:
Originally Posted by spotly View Post
mp9werks - very thorough answer and I appreciate all the photos too. I didn't trust myself with the "don't overly tighten" on the vise. Too bad they're not like a torque wrench LOL. Anyway, wound up taking mine the the gunsmith just to be safe. Looks like the same sights you're showing - Trijicon HDs.
Me too!
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Old June 29th, 2016, 12:21 PM   #9
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Way to go Werks! As usual, a well documented answer!
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Old June 29th, 2016, 01:31 PM   #10
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Quote:
Originally Posted by NCW Ray View Post
My Shield's rear sight was about the same as the rear on a 9c I did. My Shield's front sight was much harder to remove than the rear was.

I used a JMT Sight Pusher and when the front sight broke free it did so with a VERY LOUD pop, so loud I thought something had broke!

Good to know, thanks!
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