NOT KNOWN FACTUAL STATEMENTS ABOUT GLOCK 30 GEN 4

My second G30SF also experienced accuracy problems along with the WORST cause pull of ANY Glock I have at any time owned, and I could NOT correct it using this set up no matter what I did and very well above one,000 rounds of attempting to repair it and “split in” the gun (which I haven't had to do with any Glock ahead of possibly).I will not c