My Pro did not have an improved trigger and when I had the trigger pull measured it was almost 7 lbs. Customer Service told me to send it back and they would make it measure to the advertised specs, 4-5 1/2 lbs. However, I wanted faster results and I had received so many positive comments about the Apex FSS kit that I bought one and had it installed. In addition to reducing the trigger pull, it also reduced the travel in the trigger. Now the more I shoot my Pro the smoother it gets. Unlike GetRekt, I've never had trouble with accuracy and it is the one of the most accurate guns I've ever shot. Good luck with yours. Regards, Elliot45