yes. it's been sawn off so short that when he fired it, it made his hands bleed, so he tried firing it one-handed like Terminator* 
i have video's of these events. 
GIMME VIDEOS!!!! 
I Love that movie bowling for columbine i thought they only used tec9's like this one? 
 
And with over 900 rounds of ammo shot they must suck at aiming because they only killed 12 students and a teacher