Lynx Defense

Meprolight Shotgun front sight install

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  • TinCuda

    Member
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    May 3, 2016
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    11
    Has anyone installed a Meprolight front sight on a shotgun?

    I am working on a Mossberg 590. 5-40 threads. Possible #4 washer size

    The problem is that the sight is a blade type and the threads do not tighten down with the sight lined up straight. I need a shim. I have tried to use No. 4 brass washers but they are not the correct thickness. I could file them, I suppose, with a ton of work. I was hoping for something a little more "turn key".

    I have read about people using No. 60 rubber o-rings. It seems to me the heat might be an issue. The o-rings are heat resistant to 248 F. I would think the rubber would break down over time.

    Others have suggested making shims from soda cans. Again, a lot of work.

    I am willing to do the work if that is the only way. Hoping for something else.

    Has anyone done this or have any ideas?

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    Dawico

    Uncoiled
    Lifetime Member
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    Oct 15, 2009
    38,007
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    Lampasas, Texas
    Take the brass washer and slide it over some sandpaper. It shouldn't take much and is an easy process.

    Just take it easy and test fit it often.

    I also recommend blue Loctite so it will stay put. Red is fairly permanent on small threads.
     

    TinCuda

    Member
    Rating - 0%
    0   0   0
    May 3, 2016
    60
    11
    Take the brass washer and slide it over some sandpaper. It shouldn't take much and is an easy process.

    Just take it easy and test fit it often.

    I also recommend blue Loctite so it will stay put. Red is fairly permanent on small threads.

    OK, thanks. It worked. I am a lot happier than the o-ring thing.

    .,
     
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