Great question !! I just upgraded to the T300's from cally RougeX. Well, actually I have them on order. Been waiting almost two months now for them to come in. I will very interested to see what a Rep has to say regarding your upgrade.

You will likely not get a Titleist fitter to respond as this site has transitioned over the years to almost exclusively fellow Team Titleist members just sharing their own personal experiences and opinions. I think the best way for you to determine if the move from your AP3's to T300 is right for you is to do a fitting. They start with your existing club being used and recorded on TrackMan and then would have you hitting T300 with several shaft options. It's not just about the difference between the iron heads but also what shaft combination works for you. If the results are minimal, stick with what you have. If the fitting shows quite an improvement in the numbers and you like the feel of the T300 or even the T200 since they are the comparable model to the AP3 (try both), then think about making the change. Totally up to you.

Thanks Dale!

No problem. BTW, I too am 63 and my 9 handicap has gone back up to a 12 but I can't blame my sticks. The body is just not holding up that well and I am playing more for fun these days and not really putting in the work on the range anymore. Good luck with whatever you decide to do.