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  1. 12-14-2007, 12:41 PM #1
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    Spyvie
    Spyvie is offline Junior Member
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    Securing dovetail sights

    Pardon my ignorance, but is there supposed to be locktite or something else in the rear sight dovetail on my FNP-9?

    I purchased a set of night sites for my FNP and had them installed by a respected local smith. After I picked the gun up I took it to a nearby range to try it out with 50 rounds just to see how the new sights worked, and everything was A-OK. Yesterday I took it back to the range and after another 50 rounds the rear sight came loose, almost falling off the slide. Now, even after the slide has cooled I can move the sight back and forth with my fingers.

    I know what I should do is take it back to the smith, but I have a defensive pistol class in the morning and I was hoping to bring this gun. So, is there anything I can do to avoid loosing my expensive rear sight and the tiny parts underneath it?
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  3. 12-14-2007, 03:49 PM #2
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    TOF
    TOF is offline Senior Member
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    Two possible solutions I am aware of.

    1. Locktite

    2. Use a punch and hammer to create a couple of burrs on the sight or slide then the sight should fit tight enough to hold itself.

    Sometimes both approaches together work best.

    The gunsmith should have known better. I would find someone else to do my gun work. I just lost respect for him.

    Last edited by TOF; 12-14-2007 at 03:50 PM. Reason: spelling
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  4. 12-14-2007, 04:20 PM #3
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    Spyvie
    Spyvie is offline Junior Member
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    Thanks TOF, burring the slide a little sounds like a great idea. I'll give that a try.

    I think I need to be really careful with locktite though, there's a small spring and a little keyhole shaped piece of the firing pin group under the sight. I wouldn't want any goop on the moving parts.

    I know there are different types of locktite, I wonder if there is a removable formula that's thick enough to control where it runs?
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