There's full frontal male nudity, genitals are fully visible.

Violent explicit rape. Full frontal. (March 2019: On Amazon Video, this film is censored. About 11 minutes have been cut, deleting almost all visible sexual activity.)

Several members of a karate club get shot to death.

A man's genitals get cut off and forced into his mouth.

An elderly woman gets shot in the head.

An older man gets shot to death.

A womans stomach gets cut open, her entrails are visible.

A man gets stabbed in the mouth with garden shears.

Rape. Blood. Nazis.

Yes. Lots. Really bad overdubbing.

Yes.

Yes. Strong R