WHAT DOES HOW DO I BUY A GOCK 30 GEN 4 ONLINE MEAN?

My second G30SF also experienced precision difficulties as well as WORST set off pull of ANY Glock I've ever owned, And that i could NOT appropriate it using this setup regardless of the I did and properly in excess of one,000 rounds of wanting to resolve it and “break in” the gun (which I have not needed to do with any Glock in advance of eith