I am no Glock expert here, there are others on here that have Glocks and may have another solution, but if you are only doing it with the new Glock, I would think that is because the Glock trigger has a longer pull and is just different enough from the other triggers like your Kimber, with a shorter pull.
Practice dry firing the Glock more and shoot it more to get used to how the trigger feels. Don't adjust the sights or aim high to compensate. Just dry fire to get an idea of what a correct trigger break with a Glock feels like and then follow up with some good slow fire practice. Focus on a perfect trigger press, every time.
I think you will see improved results after doing this.
P.S. Mods may need to move these posts to the Handguns/Glock section.