I am a klutz with tools, so I will not go near a dremel. A friend of mine says this avoidance puts my manhood in question, but whatever. I do not want to go digging into perfectly fine parts with "polishing." That said, to improve my Glock trigger, I went with a lighter firing pin spring and trigger spring, installed the "3.5" factory connector, and applied grease to the spot where the trigger bar and the connector meet. A lighter firing pin spring is an option too, but I left the factory one on because I want a hard primer strike when the pin goes forward. My trigger is much improved. FWIW, I think the Scherer disconnect provides a little shorter reset in contrast to the factory one. I have used both in my Glock, but for now I am using the factory one. The rhythm of faster shooting with a Glock trigger is acheived by dry firing to learn where or when the trigger resets without completely going forward. Once this technique is learned, rapid double or triple taps with the holes in the target touching are possible. Jeff Cooper once said that only a gorilla can love a Glock trigger. Well, as one ape to another, let me say that while it will never be as finely-tuned as a 1911 trigger, the Glock trigger has qualities that one can learn to appreciate once it is understood.