Since these sights are dovetailed there is no reason if sights with the same dovetailed measurements couldn't be used. In the gunsmithing section or the FAQ section should be such measurements for these sights. If not having a smith or gunshop personnel check the measurements and then check their catalogs for similar setups could be done. Rezeroing new sights could be a problem. The gun was sighted in at the factory and now with a new set this could change where the guns POI is.