FACTS ABOUT GLOCK 30 GEN 4 REVEALED

My next G30SF also had precision problems and also the WORST result in pull of ANY Glock I've ever owned, And that i could NOT correct it employing this set up it doesn't matter what I did and properly over 1,000 rounds of wanting to correct it and “crack in” the gun (which I have NEVER needed to do with any Glock in advance of possibly).Is jus