http://abcnews.go.com/Politics/story?id=6960824&page=1
The Obama administration will seek to reinstate the assault weapons ban that expired in 2004 during the Bush administration, Attorney General Eric Holder said today.
Definition of assault weapon
The term "assault weapon" in the context of civilian rifles has been attributed to gun-control activist Josh Sugarmann. Assault weapon refers to semi-automatic firearms (that is, firearms that, when fired, automatically extract the spent casing and load the next round into the chamber, ready to fire again and not fire automatically like a machine gun) that were developed from earlier fully-automatic weapons. By former U.S. law the legal term assault weapon included certain specific semi-automatic firearm models by name (e.g., Colt AR-15, H&K G36E, TEC-9, all non-automatic AK-47s, and Uzis) and other semi-automatic firearms because they possess a minimum set of features from the following list of features: