Quote Originally Posted by derelict
what would go wrong using 5/8? Im not trying to argue, i just dont know what would happen?
well I barely get away with 1/2" 30G when I shoot 1/2ml in the delt, I poke myself all the way in and simple the skin inward.

worst case, you'll inject on the outer part of the muscle, and far worst = you'll go outside muscle = sub Q