That photo is only of the stuff in the shooters bag. It is not the firearm he used. Here is a link to more photos. These magazines are illegal in California. Looks like the gun laws failed again.
http://www.kfiam640.com/photos/main/santa-monica-shootingsfire-355735/20942581/#/1/20942581

Edited to add: The college is a "gun free zone"

Last edited by Plinker; 06/09/13.