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9/22/2017 12:11:25 AM
Posted: 9/18/2005 6:26:42 AM EDT
How do I tighten it up? It is very, very loose if you adjust it up in elevation.

Link Posted: 9/18/2005 6:32:55 AM EDT
If you are talking about a little rotation from the left to right of the entire rear sight housing, that's normal.
Link Posted: 9/18/2005 6:54:16 AM EDT
Well, don't know how to explain it other than saying it is loose from side to side and front to back. None of my rifles are like this (this is a friend's newest acquisition)

Link Posted: 9/18/2005 12:17:32 PM EDT
[Last Edit: 9/18/2005 12:20:56 PM EDT by Forward_Assist]
First you need to determine where the looseness is. If the aperture itself wobbles left to right and back and forth the only way to tighten it is to selectively replace the aperture, windage screw or both. If the base moves rotation wise it is normal, if it moves to easily the spring needs to be replaced. The spring cams the base to one side and holds it there.

If the whole base moves back and forward especially when its run up, it is either the aggregate play in the elevation wheel / base stem or the fit of the stem in the the upper receiver, most likely the wheel /stem. Both of these conditions would be corrected by replacing either or both.

There are other areas of concern but the above mentioned is most likely where the problem is and is not worth worrying about unless a match sight of dial indicator repatability is desired.
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