THE FACT ABOUT GLOCK 30 GEN 4 THAT NO ONE IS SUGGESTING

My next G30SF also had precision issues and the WORST result in pull of ANY Glock I have at any time owned, and I could NOT correct it applying this setup regardless of the I did and very well above one,000 rounds of wanting to take care of it and “split in” the gun (which I haven't needed to do with any Glock ahead of possibly).Is a single a t