okay guys I have done three searches and read a bunch of posts and still don't have an answer to the burning question..."what thread lock should be used on the front sight on a glock". I just acquired a set of front and rear meprolight tru dot night sights for my glock 19 gen 4. I have a sight pusher and the fancy little front sight socket and anticipate no problems with the change. However I have heard many variations on what kind (color) of locktite to use. I have red, blue, and I think some purple locktite from other projects but will add to my inventory if you have a better suggestion. So here are my questions...Can you recommend a product (locktite or others) that provides secure mounting but If you elect to remove/change sights in the future can be removed without a blow torch and cuss words? Second question ... Is there any merit in adding a dot of locktite to the rear sight dovetail? Thanks in advance for constructive comments.