NOT KNOWN FACTUAL STATEMENTS ABOUT GLOCK 30 GEN 4

I put a Tarran Tactical package into a gen three g23 and it's now Tremendous lite but I nevertheless could not hit anything with it. My Pal could shoot it rather well but I struggled. Lastly I modified the inventory sights to a Dawson Precision Mounted Levels of competition Sight Established and now I do very good with it.Which is dependant on oper