Gun Myths

Full-auto is only really used for suppression, that is, to make the bad guys duck their heads and hunker down while your people maneuver into position. In fact, virtually all bullets are used for this. For each insurgent killed in Iraq and Afghanistan, 250,000 shots are fired that hit absolutely nothing. About three tons of ammunition for every one dude killed. Picture Arnold lugging that 

http://www.cracked.com/article_18576_5-ridiculous-gun-myths-everyone-believes-thanks-to-movies.html#ixzz2whZfBHhP