The director's cut includes many scenes that were not included in the R-rated version, like a man getting shot through the hand, more footage of the prison riot, and more. The R-rated version is still extremely violent.
A shot of a headless and bloodied man appears a few times, but only for a few seconds each.
In the directors cut it shows Mickey raping a hostage.
R violence type: blood and graphic.
Much of the violence is stylized, but there are exceptions, notably the prison scenes and bar fight/beating.
Mickey and Mallory kill almost everyone they see, no matter who they are, and not feel any remorse. Most of the victims (bartenders, shop assistants, civilians, etc.) are innocent.
Some (mildly) grisly images are shown in brief flashes through the film.
A girl beats up a man, then kicks him and blood flies across a table. She stomps on his head and breaks his neck.
A man shoots a woman and it shows the bullet fly in slow motion until it hits the woman's head and chunks fly on the wall.
A knife gets thrown through a window and sticks in a man's back.
When the opening title appears, you hear a gunshot and see blood go down the screen.
You see various quick scenes of wolves ripping apart prey.
You see various scenes of people covered in blood.
A man is hit in the head with a crowbar.
Many people are shot, with moderately bloody results.
A woman is cut beneath her breast.
There are two scenes of blood on the screen.
Police officers beat a man.
A man is put in a washer.
A man is put in a cooking oven. Briefly shown.
Many people are strapped to chairs and their necks are sliced.
A man is hit on the head with a pan.
A man is shot in the hand and you see through his hand (unrated version only).
A man gets his head cut off and stuck up on a pole (unrated version only).
The police force shoots one of their own men.
A man is grabbed and hung upside down and his back is broken.