HOW DO I BUY A GOCK 30 GEN 4 ONLINE THINGS TO KNOW BEFORE YOU BUY

My next G30SF also experienced precision problems and the WORST induce pull of ANY Glock I've ever owned, and I could NOT right it employing this setup whatever I did and effectively in excess of one,000 rounds of looking to resolve it and “crack in” the gun (which I haven't needed to do with any Glock in advance of possibly).Is one particular