Continuity mistake: Christmas fires the flare from the left side of the plane. In the following shot, the flare appears to be coming from the right hand side of the plane. (00:00:25)
Continuity mistake: At the end when Christmas and Tool are having a knife throwing contest, the way Christmas is holding his 3rd knife changes between shots. (01:33:40)
Continuity mistake: Throughout the car chase between Barney and Gunner, the damage to Barneys truck keeps changing instantly.
Continuity mistake: When Barney stops at the traffic lights just before the car chase with Gunner, the car behind them slows down and stops. When the camera changes angle the same car is seen from a distance slowing down and stopping again.
Continuity mistake: When Barney is driving his truck away from Gunner his windscreen gets shot to hell. In one shot however all the bullet holes disappear.
Continuity mistake: Barney climbs into the plane as it taking off, however he runs up to the cockpit as soon as he is in. Camera cuts to show the outside of the plane, and the door is now closed. (00:42:00)
Continuity mistake: When Barney is driving Sandra's truck there is a shot of it sliding through an open area. Camera cuts to Sandra saying "How can you leave?" If you look out the window they are now driving down a residential street. (00:38:40)
Continuity mistake: When Christmas says "If we get out of here it'll be a miracle", he is sat properly. Camera cuts and he is leaning forward with his arm behind his back. (00:38:15)
Continuity mistake: When Christmas and Barney get into the fight when the militia are trying to take Sandra, Christmas uses a throwing knife to kill several men, however in most of the shots, but not all, there is no blood on the knife whatsoever. (00:37:00)
Continuity mistake: When Christmas asks Sandra if they are close, he is sat facing her in the tuck. Camera changes and he is now facing the front. (00:34:50)
Continuity mistake: When Tool and Christmas having the knife throwing contest, Christmas's knife lands off the board. When he collects it, it is now just on the edge of the board. (00:17:00)
Continuity mistake: When Tool is finishing Barney's tattoo, he has to do the "able" of Expendable. We see him do part of the A, Christmas arrives and it's suddenly finished as shown by Barney looking in the mirror. (00:15:20)
Continuity mistake: When Barney meets his friend and they go for a hug, they connect. Camera cuts and then they connect again. (00:00:20)
Continuity mistake: When Stallone is hanging in the door of the seaplane, in the closeups there is water spray all around him, but in the wide shots of the plane, the water spray does not reach the door.
Answer: It is a slightly modified AA-12.
Friso94