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Discussion Starter #1
I have a Walther P99 .40 serial # 408371 which is about 5 years old. Purchased a set of Wpo1y Tijicon sites and need some help with instruction on repalcing them. The front sight has a slot with a round hole (not allen) in the center. the rear is the stock 2dot with the windage scew.

looking for tips on replacing both sights

Any recommendations ?
 

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I never done it myself.....
but I think for the front you will need a 'Glock" wrench to tighten the screw that holds the front sight

the rear you have to depress the "tap" on the right side and then you can slide the sight off...... remember that the sight adjustment screw is left threaded ..... I think
 

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Discussion Starter #3
Thanks! Glock Wrench?? tried some allen keys both usa and metric not luck.

For the rear do I take out the windage screw prior to removing ?
 

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Sorry I am not gonna be more help on your front sight... I know you need a special "Glock sight tool" for it.....also when you put the new sight on you might want to use some Loctite so the sight won't come off after replacing it....

you can take the screw in the rear sight out whenever... before or after pullen the sight off the slide.....
 

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Discussion Starter #5
Great thanks for your help. Reaced the rear, it was a snap.
FYI, the allen key is a .050 size, and I used some needle nose to snug it until I get the proper tool. I am surprised that the sights don't come with the tool.

Again thanks for your help.

If anyone is interested I can post pics.
 

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Discussion Starter #7
Went to the range and put through 250 rounds and sighted it in.took a few slight ajustments, but overall it went well and I like the sights that were installed. Now if I can only become a better shot!
 
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