Sounds like you are 'milking' the trigger a bit. That should go away after a few hundred rounds, tops.
FWIW, every time I quit shooting Glocks for more than a week or two, my first few magazines of ammo will hit low/left.
BTW, nice 'Texas Toothpick' you have there!
"Say hello to my little friend!!!"-Al Pacino in 'Scarface.'
Current Glocks: 19,26,20SF,29SF, 21Gen4,23Gen4,32Gen4
AA 22lr conversion kit for G20.