Outside of the military, there are very few people who understand how to employ a SMG properly.
With a semiautomatic rifle I can discourage a mob in about 10 seconds by shooting the 10 wannabe's at the front dead. And have change for anyone who wants to object.
(Sorry, us Brit's are the Ruthless Bad Guys. Hollywood has said so. One feel's that one really must live up to one's reputation) <img src="/images/graemlins/laugh.gif" alt="" />