GLOCK 30 GEN 4 FOR DUMMIES

My 2nd G30SF also had precision concerns as well as the WORST set off pull of ANY Glock I've at any time owned, And that i could NOT right it applying this setup whatever I did and very well over 1,000 rounds of endeavoring to take care of it and “break in” the gun (which I haven't had to do with any Glock right before both).Perhaps a dumb issu