Weapons include guns, knives, grenades, and rusty pliers (for pulling out fingernails).
Battle scenes show injuries and bloody bodies.
The film's IRA heroes are shot at, tortured, and imprisoned by British soldiers -- their acts of vengeance, however righteous, never lead to victory, as they suffer emotionally afterward and the British maintain dominion.
Plenty of graphic and unsettling/disturbing political violence, yet there are no exeedingly gory moments.
Even though the violence itself may not be as bad as some other R-rated films, it is still disturbing--the violence has meaning.
Gun-play, battle and two scenes of torture.
A man has his nails ripped out gruesomely.
A woman has her hair brutally cut, with the scissors cutting her deeply and horribly mutilating her, yet she later recovers.