NOT KNOWN DETAILS ABOUT GLOCK 30 GEN 4

I set a Tarran Tactical kit right into a gen three g23 and It truly is now super lite but I continue to couldn't strike anything with it. My friend could shoot it very well but I struggled. Ultimately I altered the inventory sights to a Dawson Precision Fixed Opposition Sight Established and now I do pretty good with it.I am really looking to purch