FWIW, here's my take: If your job has a "no firearms" policy, the simple question that you have to ask yourself is this: "Would I rather be caught with it, or without it?"
A gunfight is not the time to learn new skills.
If you ever have a real need for more than a couple of magazines, your problem is not a shortage of magazines. It's a shortage of people on your side of the argument. -- Art Eatman