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Old 10-02-2012, 23:23   #17
Join Date: Aug 2009
Posts: 33
I installed the I dot Pro sights on my 21 a few months ago. It is really an easy install, and does not require a pusher. All I did was mount the slide in a vise, with 2 strips of cork the jaws, so it wouldn't scratch, and tap the rear sight out with a brass drift punch. Then all you do is tap the new one in. You will want to test fir to confirm poa and poi are consistent before putting red locktite on the set screw, but it is a very simple install overall. I know you will appreciate the greatly improved sight picture.
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