Spoilers for Joker

Here I am typing a bunch of filler text because Twitter automatically embeds the first bit of text into the tweet even though I am deliberately posting it this way to avoid sharing spoilers.

Lorem ipsum Lorem ipsum Lorem ipsum Lorem ipsum Lorem ipsum Lorem ipsum Lorem ipsum Lorem ipsum Lorem ipsum Lorem ipsum Lorem ipsum Lorem ipsum Lorem ipsum Lorem ipsum Lorem ipsum Lorem ipsum Lorem ipsum Lorem ipsum Lorem ipsum Lorem ipsum Lorem ipsum Lorem ipsum Lorem ipsum Lorem ipsum Lorem ipsum


Am I remembering correctly that in the train shooting, with the three suits who Joker shoots dead, we see/hear him fire seven bullets, but the gun is the type of gun that only holds six bullets (and I think is shown to only hold six earlier in the film).