Just that after two jams I took my G23 to the factory in Smyrna, Ga. and the factory armorer told me that the spring was weak and he showed me a way to check it from time to time. You make sure your weapon is empty of course, and pull your slide back and allow it to slide forward slowly while pulling the trigger. If it stops before fully forward,....the spring is weak and needs to be changed.JimmyC said:I'd suggest you speak to someone who's a Glock armorer, or pose your question on Glock Talk where you'll surely find a wealth of Glock expertise.
I've shot Glocks for a lot of years, including with several shooters who were Glock armorers, and never heard a recommendation to change out the recoil spring.
I'm curious--what led to your thinking about doing this?