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Discussion Starter #1
I need some advice from the forum.
I have a set of very bright Walther Night sights I'd like to install on my Navy Q...the front is simple...screwdriver and blue loctite.

It is the rear that troubles me. I know they are removed from the left and the new set installed from that direction but past that I'm at sea (appropriate with a Navy Q).

There seems to be nothing online that will give me guidance.

Would clamping the slide between wooden blocks and tapping out the sight with a wooden dowel or nylon punch work and reinstalling the new sight the same way?

I know S&W ruined a bunch of FE slides doing this and just hope some of you have done this install.

I've seen Glock Tru Dot rear sights done this way and it looks to be similar, but would like the help of those with some experience.
 
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No tapping is needed. There is a screw back right of sight. Unscrew. Depress plunger and slide sight out opposite side with finger pressure. Take old sight. Totally remove screw. Screw Into new sight and slide back on then tighten screw

Sent from my HTC One using Tapatalk 4
 

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Discussion Starter #3 (Edited)
No tapping is needed. There is a screw back right of sight. Unscrew. Depress plunger and slide sight out opposite side with finger pressure. Take old sight. Totally remove screw. Screw Into new sight and slide back on then tighten screw

Sent from my HTC One using Tapatalk 4

Sorry it is not that type of sight. No screw, plunger or spring involved here...those are easy.

These sights are exactly like the sights installed on the Walther PPQ First Edition. It has the toothed roll pin (a compression roll pin).




 

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I'm in the same boat with a set of Meps 18802. I'd really like to see a video but it would also help to have very detailed explanation of getting that rear started.
 

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Discussion Starter #6
I'm going to try with a P500 sight pusher...if I don't like the way it goes, I guess I pack everything off to Earl.

Unless folks here have a better suggestion.
 

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Installed my trijcon sights finally 😁👍 removed the old metal sight by clamping in a vice with plastic jaws, tapped it out with a punch.

 

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Discussion Starter #9

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I need some advice from the forum.
I have a set of very bright Walther Night sights I'd like to install on my Navy Q...the front is simple...screwdriver and blue loctite.

It is the rear that troubles me. I know they are removed from the left and the new set installed from that direction but past that I'm at sea (appropriate with a Navy Q).

There seems to be nothing online that will give me guidance.

Would clamping the slide between wooden blocks and tapping out the sight with a wooden dowel or nylon punch work and reinstalling the new sight the same way?

I know S&W ruined a bunch of FE slides doing this and just hope some of you have done this install.

I've seen Glock Tru Dot rear sights done this way and it looks to be similar, but would like the help of those with some experience.
I believe there is a special tool used to compress the claw spring for install. If I recall a member here has one and may install them for you if you ask nicely and they are still around. Barring that you may want to ask Walther.

I will see if I can find the old thread and post here.
 

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I believe there is a special tool used to compress the claw spring for install. If I recall a member here has one and may install them for you if you ask nicely and they are still around. Barring that you may want to ask Walther.

I will see if I can find the old thread and post here.
Thread was titled PPQ first edition sloppy night sight installation or something similar. Member is Uncut.
 

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If you decide to clamp the slide in a vice, I would strongly suggest that you don't tighten it too hard. There is a chance that you can bend the slide in the area where it is the thinnest/weakest, around the slide rail guides.

I had my gunsmith install the factory night sights on my PPQ. I don't know how he did it, but when asked how hard the install was afterwards, he stated that "it was no big deal".

The tool to compress the roll pin would make it easier to get the roll pin over the sharp edge on the recess where the spring loaded plunger sits. Remember to install the sight from the right-to-left direction. S&W did it the other way and screwed up the slides on a multitude of FE PPQ pistols.
 

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Do not put in a vise and tap it in. Either buy a sight pusher tool or send it to Walther.

I bought the pusher tool. Removed the same sights from my PPQ FE and put them on my PPS.

It wasn't hard, but the roll pin makes for a difficult go if you think you're going to tap it in. It should be drifted. And there is no compression tool that I know of, there is a sloped cut in the PPS and PPQ iirc that forces the pin as it goes in. Again, this works well with a pusher tool.

Personally.... I removed those very sights so I won't be much help here. They were fine for sight picture, but honestly I can't go back to stock style sights after using others. My current favorite is the Dawson black rear with red fiber front, watched my groups impressively shrink and they are a LOT faster for me. If 10-8 ever comes around I'll give them a try because of the U-notch, but I'll likely still try and roll fiber if I can. Maybe if the 10-8 works for height with the AmeriGlo I'll take one of those and mill it out to the correct notch size, but that's down the road at best.

But, these are fine sights all things considered. They're the smoothest and lowest profile I've seen yet. I have a metal non-NS set somewhere in my centerfire handgun box I'm sure.
 

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OK...those look EXACTLY like the Meprolight 18802s that I installed in my PPS last night in 15 minutes.

Go to the PPS thread on here and check out my post and follow the directions accordingly.

I snapped the roll pin in using a towel and appropriately adjusted Channel-Locks.

Essentially, I took my slide, a brass punch, and some blue Loctite to my dad's house last night and put the slide in his wood vise. Tapped out the old rear site (after spraying some CLP on it and let it soak in for a couple of minutes) from left to right (shooting view) with the brass punch and a brad nail hammer.

Tapped new site in with dowel and framing hammer from right to left.

You do NOT need to put the slide in the vise tight AT ALL. It is basically just acting as a 3rd hand for you.

Super easy.
 

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OK...those look EXACTLY like the Meprolight 18802s that I installed in my PPS last night in 15 minutes.
Installing them on the PPS should be easier, since the PPS has a ramp on the right side to help slide the sight and roll pin in place.

On the P99 and PPQ, there is a 90 degree angle there that the roll pin has to move up and over.

The PPS doesn't have that hole for the spring loaded plunger that the 99-series pistols have.
 

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Discussion Starter #16 (Edited)
Remember to install the sight from the right-to-left direction. S&W did it the other way and screwed up the slides on a multitude of FE PPQ pistols.
The instructions from Walther say just the opposite...(looking down at the top of the slide with the rear sight closest to you and the front pointing away from you)
1. <----- Remove rear Sight (from rt to left)
2. -----> Install new Sight (from left to rt)

I do have a P500 on the way and I'll post a report of exactly what I do plus images.

Until I get the sight pusher I'd be pleased to hear more ideas and suggestions!
 

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Couldn't find a gunsmith to install the Meps 18802 sights so I decided to charge ahead.

After fitting the rear sight to the slide by stoning it I used a small hammer and plastic punch to knock it in place. Little taps were a waste of time you have to whack it good.

Had to shorten the front screw a bit to tighten it up then used blue Loctite around the base where it meets the slide and the screw of course.

Sights look like the were made for the PPQ by matching the contour of slide and they are nice and bright. Glad that install is done it was rough without a vise.
 

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Discussion Starter #18
A quick update...the P500 sight pusher arrives this afternoon...
I called Walther CS again yesterday and talked to Jason who got a smith. Apparently trying this without a pusher can be problematic.
I was also told it doesn't matter which direction it is done from as long as the sight and pusher have been properly aligned.

I am told because of the detent space and the "bow" of the groves of the sight channels it is actually easier to insert the sight from the left, the compression pin actually gets started in the sight cutout and then the "bow" presses it into the cutout to hold the sight in place...doing it from the other side may cause the compression pin to catch against the inside of the detent hole channel...

Anyway I'm going to be taking this very,very slowly and no more coffee for me today until this process is over! If I don't like the way things are going it is off to Walther!

I'll post images of the process.
 

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The instructions from Walther say just the opposite...(looking down at the top of the slide with the rear sight closest to you and the front pointing away from you)
1. <----- Remove rear Sight (from rt to left)
2. -----> Install new Sight (from left to rt)
This is news to me. I heard the opposite, and on the PPS, it is done right-to-left as well.

Good luck and let us know how it works out.
 
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