Do you think that they are going to ever do that with other polymer pistols? I am not a large fan of DAO triggers/striker fired. But i do similar to this thought. Each and every 80% GLOCK frame includes a locking block rail ingredient, and rear rail module. These two https://bookmarksea.com/story18616649/helping-the-others-realize-the-advantages-of-glock-43-p80