My 2nd G30SF also had precision problems along with the WORST trigger pull of ANY Glock I've at any time owned, and I could NOT right it employing this setup regardless of what I did and properly about 1,000 rounds of wanting to correct it and “break in” the gun https://howdoibuyagock30gen4onlin56666.bleepblogs.com/33333548/examine-this-report-on-where-can-i-buy-a-glock-30-online