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AR15.COM
1/9/2013 2:45:12 PM EDT
Quick question y'all... Installed some Trijicon night sights on my Beretta Nano shot about 250 rounds and they loosened up. They utilize 3 set screws, 1 in the front which is recessed into the top of the slide, The rear has 2 which do not recess into the slide as it is adjustable for windage. Is it a general practice to lock-tight them?

Thanks, D
1/9/2013 2:46:51 PM EDT
[#1]
Any screw on a firearm gets locktighted.

This goes double for handgun sight screws!
1/9/2013 4:12:41 PM EDT
[#2]
Thanks... Blue ok?
1/9/2013 4:19:01 PM EDT
[#3]
Blue is good, but I've had extremely small screws (like the size of eyeglass screws) get frozen in place with it.  On stuff like 6-48 or 8-40 scope mount base screws, there is no issue.

Green is the next strength down, and you might want to use that if they're real small screws.
1/9/2013 5:32:03 PM EDT
[#4]
Thanks they are small.. I will give green a try