Loctite 263 is recommended for use during installation of front dovetail sights. It is rated for up to 450° F, so it is preferable to use in the mounting of the front sight. Supplied in 0.02 oz capsule.
Loctite 262 thread locking coumpound
Front night sights for all Springfield Armory 1911 pistols with round top slides, including EMP and Prodigy and some Dan Wesson 1911s