(at around 39 mins.) Michael is holding Jan's EpiPen, and says, "After we talk you get this". In some shots the EpiPen has a black plastic cap, while in others it doesn't. The way Michael is holding the EpiPen changes slightly between shots as well (specially his thumb).
After Nate pulls the bullet out of Michael, Nate drops it in the bowl. The bullet is a fully formed pristine bullet. Ostensible the bullet was a ricochet so, at best the bullet should have been badly deformed. More likely, it would have been a fragment. Either a bullet fragment or a fragment of the metal garbage bin (spalling) that the bullet hit.
Micheal says to Jan vitat do miami kamarad. The on screen translation says 'Welcome to Miami asshole. vitat do miami kamarad means welcome to Miami friend.