Originally Posted by mlk18
Pretty much every optic mount, rail system, and other gun related item with a screw recommends a loctite type product. Every screw on front sight from Glock to Beretta to CZ recommends loctite. We even add loctite to the screws on our weapon mounted lights. Loctite is not like tig welding or something and one does not need to bathe the threads in the stuff. Just a dab will do.
The problems usually arise when people use too much or the wrong type. I've actually seen people recommend red for use on #2 & #4 screws.