THE ULTIMATE GUIDE TO GLOCK 30 GEN 4

I place a Tarran Tactical package into a gen 3 g23 and It is really now super lite but I however couldn't strike nearly anything with it. My Good friend could shoot it rather well but I struggled. Finally I changed the inventory sights to the Dawson Precision Mounted Levels of competition Sight Set and now I do very good with it.Perhaps a dumb issu