The Glock 17A is basically a Gen 4 Glock 17 that is made compliant for the Australian sports/target shooting market with a slightly longer 122mm barrel. I am not a fan of the look or the terrible stock trigger on the Glock however these pistols are time tested when it comes to reliability and function. A lighter trigger is definitely needed for sports/target shooting but overall the pistol performs flawlessly with the various ammo tested.