i'm out of bullets
Now i'm not a gun person but according to wiki that "bullets" guy had glock 34 which can hold up to 17 rounds, together they emptied 10 rounds in to that paper target, now that leaves at least 7 in
Bullets, who the hell says that, don't people usually say i'm out or out of ammo?
It's just sounded silly to me, just like the whole premise.