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Replacing Aperture on AR-15 Rear Sight

Discussion in 'Rifle Country' started by GunnySkox, Jun 28, 2006.

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  1. GunnySkox

    GunnySkox Member

    Joined:
    May 22, 2004
    Messages:
    1,129
    Location:
    Raleigh, NC
    Hi, everybody,

    I did a search (and a google search!) and turned up nothing. I also roamed around ARFCOM to no avail, so I turn my question loose on y'all:

    How does one disassemble an AR-15's rear sight assembly in order to replace the aperture? In my case, it's an A1-style assembly, but instructions for both (if they differ) would be helpful to anyone else with a similar quesiton who goes a-searching for it.

    Thanks in advance,
    ~GnSx
     
  2. DMK

    DMK Member

    Joined:
    Dec 24, 2002
    Messages:
    8,797
    Location:
    Over the hills and far, far away
    Tap out the cross pin on the right side with fine punch, then unscrew the shaft from the left side. Watch for the tiny spring and ball that's under the wheel on the right side. There's also a small leaf spring under the sight. When you reassemble, you can hold that tiny spring and ball in with a dab of grease
     
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