KG1, I opted to run the stock springs.
No issues with both of my G43's. (One G43 has well over 2k rounds thru it, the other only has about 800.)
That said, some folks did experience problems with the TTI +2 with factory springs, but most did not. So, just test and see. If it runs with stock mag springs, run them. If you have feed issues, try the + power mag springs, if they fix your problems, run them.
No issues with both of my G43's. (One G43 has well over 2k rounds thru it, the other only has about 800.)
That said, some folks did experience problems with the TTI +2 with factory springs, but most did not. So, just test and see. If it runs with stock mag springs, run them. If you have feed issues, try the + power mag springs, if they fix your problems, run them.
