Originally Posted by
elwarpo
An untrained individual may not consider what is behind the target, may miss or may not know of the penetrative power of the .223 round. In an urban setting, any shot not on target will go through several walls. more a case of the round and not rifle. I personally have seen how a 223 round will go through a building.
You also have to deal with a safety and possible jams in a semi that unless you train with them will turn the rifle into a club. A semi pistol is similar, if you do not train, you may be able to use it. For people who do not train a pump shotgun or revolver would be the best choice.
JMHO