GLOCK 30 GEN 4 FOR DUMMIES

My next G30SF also had precision challenges as well as WORST induce pull of ANY Glock I have at any time owned, And that i could NOT correct it applying this set up regardless of the I did and very well in excess of 1,000 rounds of attempting to deal with it and “break in” the gun (which I haven't had to do with any Glock right before either).I