Revealing mistakes: The helicopter blows up before the motorcycle rams it.
Continuity: Ice's headband during the motorcycle chase with Joe.
Continuity: The main character's gloves alternate between being on and off during his initiation fight.
Continuity: Near the beginning, the bikers are shooting beer cans from each others shoulders. The crowd of bikers is gathered directly behind the guy with the can on his shoulders while the other biker shoots at it at such an angle that the crowd should have been hit.
Continuity: During Huff's initiation fight, his opponent's vest disappears between shots.
Continuity: Before Domicci chucks a grenade at Tool while riding down the street in his car, the guy driving has blood on his mouth that isn't supposed to be there until the next scene when Joe rams his head through one of the car's windows.
Revealing mistakes: At the very beginning of the movie, Joe Huff is in his apartment and feeding his pet lizard. In one shot, Huff crouches down at the pet's bowl and just above him there is a big empty space in the ceiling. In the next shot the ceiling is intact.
Revealing mistakes: Obvious stunt double for the bad guy when Joe Huff throws him through the glass door of the grocery store.
Continuity: Just after Chains shoots Joe Huff with the bullet proof vest, his gun changes from a black revolver to a silver old west style revolver.