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Posted: 2/15/2010 5:29:35 PM EDT
| I recently changed apertures on my upper from A1 to A2, and the sight just kind of "wags" back and forth between the day and night. there's no solid click like on my A2 upper, and it looks like there's a flat piece of metal on that upper. Is there supposed to be a spring taht puts tension on the aperture? |
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